"Fossies" - the Fresh Open Source Software Archive

Member "tin-2.4.1/pcre/testdata/testoutput7" (28 Aug 2013, 108966 Bytes) of archive /linux/misc/tin-2.4.1.tar.gz:


As a special service "Fossies" has tried to format the requested text file into HTML format (style: standard) with prefixed line numbers. Alternatively you can here view or download the uninterpreted source code file.

    1 /abc/
    2     abc
    3  0: abc
    4     
    5 /ab*c/
    6     abc
    7  0: abc
    8     abbbbc
    9  0: abbbbc
   10     ac
   11  0: ac
   12     
   13 /ab+c/
   14     abc
   15  0: abc
   16     abbbbbbc
   17  0: abbbbbbc
   18     *** Failers 
   19 No match
   20     ac
   21 No match
   22     ab
   23 No match
   24     
   25 /a*/
   26     a
   27  0: a
   28  1: 
   29     aaaaaaaaaaaaaaaaa
   30  0: aaaaaaaaaaaaaaaaa
   31  1: aaaaaaaaaaaaaaaa
   32  2: aaaaaaaaaaaaaaa
   33  3: aaaaaaaaaaaaaa
   34  4: aaaaaaaaaaaaa
   35  5: aaaaaaaaaaaa
   36  6: aaaaaaaaaaa
   37  7: aaaaaaaaaa
   38  8: aaaaaaaaa
   39  9: aaaaaaaa
   40 10: aaaaaaa
   41 11: aaaaaa
   42 12: aaaaa
   43 13: aaaa
   44 14: aaa
   45 15: aa
   46 16: a
   47 17: 
   48     aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 
   49 Matched, but too many subsidiary matches
   50  0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
   51  1: aaaaaaaaaaaaaaaaaaaaaaaaaaaaa
   52  2: aaaaaaaaaaaaaaaaaaaaaaaaaaaa
   53  3: aaaaaaaaaaaaaaaaaaaaaaaaaaa
   54  4: aaaaaaaaaaaaaaaaaaaaaaaaaa
   55  5: aaaaaaaaaaaaaaaaaaaaaaaaa
   56  6: aaaaaaaaaaaaaaaaaaaaaaaa
   57  7: aaaaaaaaaaaaaaaaaaaaaaa
   58  8: aaaaaaaaaaaaaaaaaaaaaa
   59  9: aaaaaaaaaaaaaaaaaaaaa
   60 10: aaaaaaaaaaaaaaaaaaaa
   61 11: aaaaaaaaaaaaaaaaaaa
   62 12: aaaaaaaaaaaaaaaaaa
   63 13: aaaaaaaaaaaaaaaaa
   64 14: aaaaaaaaaaaaaaaa
   65 15: aaaaaaaaaaaaaaa
   66 16: aaaaaaaaaaaaaa
   67 17: aaaaaaaaaaaaa
   68 18: aaaaaaaaaaaa
   69 19: aaaaaaaaaaa
   70 20: aaaaaaaaaa
   71 21: aaaaaaaaa
   72     aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\F 
   73  0: 
   74     
   75 /(a|abcd|african)/
   76     a
   77  0: a
   78     abcd
   79  0: abcd
   80  1: a
   81     african
   82  0: african
   83  1: a
   84     
   85 /^abc/
   86     abcdef
   87  0: abc
   88     *** Failers
   89 No match
   90     xyzabc
   91 No match
   92     xyz\nabc    
   93 No match
   94     
   95 /^abc/m
   96     abcdef
   97  0: abc
   98     xyz\nabc    
   99  0: abc
  100     *** Failers
  101 No match
  102     xyzabc
  103 No match
  104     
  105 /\Aabc/
  106     abcdef
  107  0: abc
  108     *** Failers
  109 No match
  110     xyzabc
  111 No match
  112     xyz\nabc    
  113 No match
  114     
  115 /\Aabc/m
  116     abcdef
  117  0: abc
  118     *** Failers
  119 No match
  120     xyzabc
  121 No match
  122     xyz\nabc    
  123 No match
  124     
  125 /\Gabc/
  126     abcdef
  127  0: abc
  128     xyzabc\>3
  129  0: abc
  130     *** Failers
  131 No match
  132     xyzabc    
  133 No match
  134     xyzabc\>2 
  135 No match
  136     
  137 /x\dy\Dz/
  138     x9yzz
  139  0: x9yzz
  140     x0y+z
  141  0: x0y+z
  142     *** Failers
  143 No match
  144     xyz
  145 No match
  146     xxy0z     
  147 No match
  148     
  149 /x\sy\Sz/
  150     x yzz
  151  0: x yzz
  152     x y+z
  153  0: x y+z
  154     *** Failers
  155 No match
  156     xyz
  157 No match
  158     xxyyz
  159 No match
  160     
  161 /x\wy\Wz/
  162     xxy+z
  163  0: xxy+z
  164     *** Failers
  165 No match
  166     xxy0z
  167 No match
  168     x+y+z         
  169 No match
  170     
  171 /x.y/
  172     x+y
  173  0: x+y
  174     x-y
  175  0: x-y
  176     *** Failers
  177 No match
  178     x\ny
  179 No match
  180     
  181 /x.y/s
  182     x+y
  183  0: x+y
  184     x-y
  185  0: x-y
  186     x\ny
  187  0: x\x0ay
  188 
  189 /(a.b(?s)c.d|x.y)p.q/
  190     a+bc+dp+q
  191  0: a+bc+dp+q
  192     a+bc\ndp+q
  193  0: a+bc\x0adp+q
  194     x\nyp+q 
  195  0: x\x0ayp+q
  196     *** Failers 
  197 No match
  198     a\nbc\ndp+q
  199 No match
  200     a+bc\ndp\nq
  201 No match
  202     x\nyp\nq 
  203 No match
  204 
  205 /a\d\z/
  206     ba0
  207  0: a0
  208     *** Failers
  209 No match
  210     ba0\n
  211 No match
  212     ba0\ncd   
  213 No match
  214 
  215 /a\d\z/m
  216     ba0
  217  0: a0
  218     *** Failers
  219 No match
  220     ba0\n
  221 No match
  222     ba0\ncd   
  223 No match
  224 
  225 /a\d\Z/
  226     ba0
  227  0: a0
  228     ba0\n
  229  0: a0
  230     *** Failers
  231 No match
  232     ba0\ncd   
  233 No match
  234 
  235 /a\d\Z/m
  236     ba0
  237  0: a0
  238     ba0\n
  239  0: a0
  240     *** Failers
  241 No match
  242     ba0\ncd   
  243 No match
  244 
  245 /a\d$/
  246     ba0
  247  0: a0
  248     ba0\n
  249  0: a0
  250     *** Failers
  251 No match
  252     ba0\ncd   
  253 No match
  254 
  255 /a\d$/m
  256     ba0
  257  0: a0
  258     ba0\n
  259  0: a0
  260     ba0\ncd   
  261  0: a0
  262     *** Failers
  263 No match
  264 
  265 /abc/i
  266     abc
  267  0: abc
  268     aBc
  269  0: aBc
  270     ABC
  271  0: ABC
  272     
  273 /[^a]/
  274     abcd
  275  0: b
  276     
  277 /ab?\w/
  278     abz
  279  0: abz
  280  1: ab
  281     abbz
  282  0: abb
  283  1: ab
  284     azz  
  285  0: az
  286 
  287 /x{0,3}yz/
  288     ayzq
  289  0: yz
  290     axyzq
  291  0: xyz
  292     axxyz
  293  0: xxyz
  294     axxxyzq
  295  0: xxxyz
  296     axxxxyzq
  297  0: xxxyz
  298     *** Failers
  299 No match
  300     ax
  301 No match
  302     axx     
  303 No match
  304       
  305 /x{3}yz/
  306     axxxyzq
  307  0: xxxyz
  308     axxxxyzq
  309  0: xxxyz
  310     *** Failers
  311 No match
  312     ax
  313 No match
  314     axx     
  315 No match
  316     ayzq
  317 No match
  318     axyzq
  319 No match
  320     axxyz
  321 No match
  322       
  323 /x{2,3}yz/
  324     axxyz
  325  0: xxyz
  326     axxxyzq
  327  0: xxxyz
  328     axxxxyzq
  329  0: xxxyz
  330     *** Failers
  331 No match
  332     ax
  333 No match
  334     axx     
  335 No match
  336     ayzq
  337 No match
  338     axyzq
  339 No match
  340       
  341 /[^a]+/
  342     bac
  343  0: b
  344     bcdefax
  345  0: bcdef
  346  1: bcde
  347  2: bcd
  348  3: bc
  349  4: b
  350     *** Failers
  351  0: *** F
  352  1: *** 
  353  2: ***
  354  3: **
  355  4: *
  356     aaaaa   
  357 No match
  358 
  359 /[^a]*/
  360     bac
  361  0: b
  362  1: 
  363     bcdefax
  364  0: bcdef
  365  1: bcde
  366  2: bcd
  367  3: bc
  368  4: b
  369  5: 
  370     *** Failers
  371  0: *** F
  372  1: *** 
  373  2: ***
  374  3: **
  375  4: *
  376  5: 
  377     aaaaa   
  378  0: 
  379     
  380 /[^a]{3,5}/
  381     xyz
  382  0: xyz
  383     awxyza
  384  0: wxyz
  385  1: wxy
  386     abcdefa
  387  0: bcdef
  388  1: bcde
  389  2: bcd
  390     abcdefghijk
  391  0: bcdef
  392  1: bcde
  393  2: bcd
  394     *** Failers
  395  0: *** F
  396  1: *** 
  397  2: ***
  398     axya
  399 No match
  400     axa
  401 No match
  402     aaaaa         
  403 No match
  404 
  405 /\d*/
  406     1234b567
  407  0: 1234
  408  1: 123
  409  2: 12
  410  3: 1
  411  4: 
  412     xyz
  413  0: 
  414     
  415 /\D*/
  416     a1234b567
  417  0: a
  418  1: 
  419     xyz
  420  0: xyz
  421  1: xy
  422  2: x
  423  3: 
  424      
  425 /\d+/
  426     ab1234c56
  427  0: 1234
  428  1: 123
  429  2: 12
  430  3: 1
  431     *** Failers
  432 No match
  433     xyz
  434 No match
  435     
  436 /\D+/
  437     ab123c56
  438  0: ab
  439  1: a
  440     *** Failers
  441  0: *** Failers
  442  1: *** Failer
  443  2: *** Faile
  444  3: *** Fail
  445  4: *** Fai
  446  5: *** Fa
  447  6: *** F
  448  7: *** 
  449  8: ***
  450  9: **
  451 10: *
  452     789
  453 No match
  454     
  455 /\d?A/
  456     045ABC
  457  0: 5A
  458     ABC
  459  0: A
  460     *** Failers
  461 No match
  462     XYZ
  463 No match
  464     
  465 /\D?A/
  466     ABC
  467  0: A
  468     BAC
  469  0: BA
  470     9ABC             
  471  0: A
  472     *** Failers
  473 No match
  474 
  475 /a+/
  476     aaaa
  477  0: aaaa
  478  1: aaa
  479  2: aa
  480  3: a
  481 
  482 /^.*xyz/
  483     xyz
  484  0: xyz
  485     ggggggggxyz
  486  0: ggggggggxyz
  487     
  488 /^.+xyz/
  489     abcdxyz
  490  0: abcdxyz
  491     axyz
  492  0: axyz
  493     *** Failers
  494 No match
  495     xyz
  496 No match
  497     
  498 /^.?xyz/
  499     xyz
  500  0: xyz
  501     cxyz       
  502  0: cxyz
  503 
  504 /^\d{2,3}X/
  505     12X
  506  0: 12X
  507     123X
  508  0: 123X
  509     *** Failers
  510 No match
  511     X
  512 No match
  513     1X
  514 No match
  515     1234X     
  516 No match
  517 
  518 /^[abcd]\d/
  519     a45
  520  0: a4
  521     b93
  522  0: b9
  523     c99z
  524  0: c9
  525     d04
  526  0: d0
  527     *** Failers
  528 No match
  529     e45
  530 No match
  531     abcd      
  532 No match
  533     abcd1234
  534 No match
  535     1234  
  536 No match
  537 
  538 /^[abcd]*\d/
  539     a45
  540  0: a4
  541     b93
  542  0: b9
  543     c99z
  544  0: c9
  545     d04
  546  0: d0
  547     abcd1234
  548  0: abcd1
  549     1234  
  550  0: 1
  551     *** Failers
  552 No match
  553     e45
  554 No match
  555     abcd      
  556 No match
  557 
  558 /^[abcd]+\d/
  559     a45
  560  0: a4
  561     b93
  562  0: b9
  563     c99z
  564  0: c9
  565     d04
  566  0: d0
  567     abcd1234
  568  0: abcd1
  569     *** Failers
  570 No match
  571     1234  
  572 No match
  573     e45
  574 No match
  575     abcd      
  576 No match
  577 
  578 /^a+X/
  579     aX
  580  0: aX
  581     aaX 
  582  0: aaX
  583 
  584 /^[abcd]?\d/
  585     a45
  586  0: a4
  587     b93
  588  0: b9
  589     c99z
  590  0: c9
  591     d04
  592  0: d0
  593     1234  
  594  0: 1
  595     *** Failers
  596 No match
  597     abcd1234
  598 No match
  599     e45
  600 No match
  601 
  602 /^[abcd]{2,3}\d/
  603     ab45
  604  0: ab4
  605     bcd93
  606  0: bcd9
  607     *** Failers
  608 No match
  609     1234 
  610 No match
  611     a36 
  612 No match
  613     abcd1234
  614 No match
  615     ee45
  616 No match
  617 
  618 /^(abc)*\d/
  619     abc45
  620  0: abc4
  621     abcabcabc45
  622  0: abcabcabc4
  623     42xyz 
  624  0: 4
  625     *** Failers
  626 No match
  627 
  628 /^(abc)+\d/
  629     abc45
  630  0: abc4
  631     abcabcabc45
  632  0: abcabcabc4
  633     *** Failers
  634 No match
  635     42xyz 
  636 No match
  637 
  638 /^(abc)?\d/
  639     abc45
  640  0: abc4
  641     42xyz 
  642  0: 4
  643     *** Failers
  644 No match
  645     abcabcabc45
  646 No match
  647 
  648 /^(abc){2,3}\d/
  649     abcabc45
  650  0: abcabc4
  651     abcabcabc45
  652  0: abcabcabc4
  653     *** Failers
  654 No match
  655     abcabcabcabc45
  656 No match
  657     abc45
  658 No match
  659     42xyz 
  660 No match
  661 
  662 /1(abc|xyz)2(?1)3/
  663     1abc2abc3456
  664  0: 1abc2abc3
  665     1abc2xyz3456 
  666  0: 1abc2xyz3
  667 
  668 /^(a*\w|ab)=(a*\w|ab)/
  669     ab=ab
  670  0: ab=ab
  671  1: ab=a
  672 
  673 /^(a*\w|ab)=(?1)/
  674     ab=ab
  675  0: ab=ab
  676 
  677 /^([^()]|\((?1)*\))*$/
  678     abc
  679  0: abc
  680     a(b)c
  681  0: a(b)c
  682     a(b(c))d  
  683  0: a(b(c))d
  684     *** Failers)
  685 No match
  686     a(b(c)d  
  687 No match
  688 
  689 /^>abc>([^()]|\((?1)*\))*<xyz<$/
  690     >abc>123<xyz<
  691  0: >abc>123<xyz<
  692     >abc>1(2)3<xyz<
  693  0: >abc>1(2)3<xyz<
  694     >abc>(1(2)3)<xyz<
  695  0: >abc>(1(2)3)<xyz<
  696 
  697 /^(?>a*)\d/
  698     aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa9876
  699  0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa9
  700     *** Failers 
  701 No match
  702     aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
  703 No match
  704 
  705 /< (?: (?(R) \d++  | [^<>]*+) | (?R)) * >/x
  706     <>
  707  0: <>
  708     <abcd>
  709  0: <abcd>
  710     <abc <123> hij>
  711  0: <abc <123> hij>
  712     <abc <def> hij>
  713  0: <def>
  714     <abc<>def> 
  715  0: <abc<>def>
  716     <abc<>      
  717  0: <>
  718     *** Failers
  719 No match
  720     <abc
  721 No match
  722 
  723 /^(?(?=abc)\w{3}:|\d\d)$/        
  724     abc:                          
  725  0: abc:
  726     12                             
  727  0: 12
  728     *** Failers                     
  729 No match
  730     123                       
  731 No match
  732     xyz                        
  733 No match
  734                                 
  735 /^(?(?!abc)\d\d|\w{3}:)$/      
  736     abc:                        
  737  0: abc:
  738     12         
  739  0: 12
  740     *** Failers
  741 No match
  742     123
  743 No match
  744     xyz    
  745 No match
  746 
  747 /^(?=abc)\w{5}:$/        
  748     abcde:                          
  749  0: abcde:
  750     *** Failers                     
  751 No match
  752     abc.. 
  753 No match
  754     123                       
  755 No match
  756     vwxyz                        
  757 No match
  758                                 
  759 /^(?!abc)\d\d$/      
  760     12         
  761  0: 12
  762     *** Failers
  763 No match
  764     abcde:
  765 No match
  766     abc..  
  767 No match
  768     123
  769 No match
  770     vwxyz    
  771 No match
  772 
  773 /(?<=abc|xy)123/
  774     abc12345
  775  0: 123
  776     wxy123z
  777  0: 123
  778     *** Failers
  779 No match
  780     123abc
  781 No match
  782 
  783 /(?<!abc|xy)123/
  784     123abc
  785  0: 123
  786     mno123456 
  787  0: 123
  788     *** Failers
  789 No match
  790     abc12345
  791 No match
  792     wxy123z
  793 No match
  794 
  795 /abc(?C1)xyz/
  796     abcxyz
  797 --->abcxyz
  798   1 ^  ^       x
  799  0: abcxyz
  800     123abcxyz999 
  801 --->123abcxyz999
  802   1    ^  ^          x
  803  0: abcxyz
  804 
  805 /(ab|cd){3,4}/C
  806   ababab
  807 --->ababab
  808  +0 ^          (ab|cd){3,4}
  809  +1 ^          a
  810  +4 ^          c
  811  +2 ^^         b
  812  +3 ^ ^        |
  813  +1 ^ ^        a
  814  +4 ^ ^        c
  815  +2 ^  ^       b
  816  +3 ^   ^      |
  817  +1 ^   ^      a
  818  +4 ^   ^      c
  819  +2 ^    ^     b
  820  +3 ^     ^    |
  821 +12 ^     ^    
  822  +1 ^     ^    a
  823  +4 ^     ^    c
  824  0: ababab
  825   abcdabcd
  826 --->abcdabcd
  827  +0 ^            (ab|cd){3,4}
  828  +1 ^            a
  829  +4 ^            c
  830  +2 ^^           b
  831  +3 ^ ^          |
  832  +1 ^ ^          a
  833  +4 ^ ^          c
  834  +5 ^  ^         d
  835  +6 ^   ^        )
  836  +1 ^   ^        a
  837  +4 ^   ^        c
  838  +2 ^    ^       b
  839  +3 ^     ^      |
  840 +12 ^     ^      
  841  +1 ^     ^      a
  842  +4 ^     ^      c
  843  +5 ^      ^     d
  844  +6 ^       ^    )
  845 +12 ^       ^    
  846  0: abcdabcd
  847  1: abcdab
  848   abcdcdcdcdcd  
  849 --->abcdcdcdcdcd
  850  +0 ^                (ab|cd){3,4}
  851  +1 ^                a
  852  +4 ^                c
  853  +2 ^^               b
  854  +3 ^ ^              |
  855  +1 ^ ^              a
  856  +4 ^ ^              c
  857  +5 ^  ^             d
  858  +6 ^   ^            )
  859  +1 ^   ^            a
  860  +4 ^   ^            c
  861  +5 ^    ^           d
  862  +6 ^     ^          )
  863 +12 ^     ^          
  864  +1 ^     ^          a
  865  +4 ^     ^          c
  866  +5 ^      ^         d
  867  +6 ^       ^        )
  868 +12 ^       ^        
  869  0: abcdcdcd
  870  1: abcdcd
  871 
  872 /^abc/
  873     abcdef
  874  0: abc
  875     *** Failers
  876 No match
  877     abcdef\B  
  878 No match
  879 
  880 /^(a*|xyz)/
  881     bcd
  882  0: 
  883     aaabcd
  884  0: aaa
  885  1: aa
  886  2: a
  887  3: 
  888     xyz
  889  0: xyz
  890  1: 
  891     xyz\N  
  892  0: xyz
  893     *** Failers
  894  0: 
  895     bcd\N   
  896 No match
  897     
  898 /xyz$/
  899     xyz
  900  0: xyz
  901     xyz\n
  902  0: xyz
  903     *** Failers
  904 No match
  905     xyz\Z
  906 No match
  907     xyz\n\Z    
  908 No match
  909     
  910 /xyz$/m
  911     xyz
  912  0: xyz
  913     xyz\n 
  914  0: xyz
  915     abcxyz\npqr 
  916  0: xyz
  917     abcxyz\npqr\Z 
  918  0: xyz
  919     xyz\n\Z    
  920  0: xyz
  921     *** Failers
  922 No match
  923     xyz\Z
  924 No match
  925 
  926 /\Gabc/
  927     abcdef
  928  0: abc
  929     defabcxyz\>3 
  930  0: abc
  931     *** Failers 
  932 No match
  933     defabcxyz
  934 No match
  935 
  936 /^abcdef/
  937     ab\P
  938 Partial match: ab
  939     abcde\P
  940 Partial match: abcde
  941     abcdef\P
  942  0: abcdef
  943     *** Failers
  944 No match
  945     abx\P    
  946 No match
  947 
  948 /^a{2,4}\d+z/
  949     a\P
  950 Partial match: a
  951     aa\P
  952 Partial match: aa
  953     aa2\P 
  954 Partial match: aa2
  955     aaa\P
  956 Partial match: aaa
  957     aaa23\P 
  958 Partial match: aaa23
  959     aaaa12345\P
  960 Partial match: aaaa12345
  961     aa0z\P
  962  0: aa0z
  963     aaaa4444444444444z\P 
  964  0: aaaa4444444444444z
  965     *** Failers
  966 No match
  967     az\P 
  968 No match
  969     aaaaa\P 
  970 No match
  971     a56\P 
  972 No match
  973 
  974 /^abcdef/
  975    abc\P
  976 Partial match: abc
  977    def\R 
  978  0: def
  979    
  980 /(?<=foo)bar/
  981    xyzfo\P 
  982 No match
  983    foob\P\>2 
  984 Partial match: b
  985    foobar...\R\P\>4 
  986  0: ar
  987    xyzfo\P
  988 No match
  989    foobar\>2  
  990  0: bar
  991    *** Failers
  992 No match
  993    xyzfo\P
  994 No match
  995    obar\R   
  996 No match
  997 
  998 /(ab*(cd|ef))+X/
  999     adfadadaklhlkalkajhlkjahdfasdfasdfladsfjkj\P\Z
 1000 No match
 1001     lkjhlkjhlkjhlkjhabbbbbbcdaefabbbbbbbefa\P\B\Z
 1002 Partial match: abbbbbbcdaefabbbbbbbefa
 1003     cdabbbbbbbb\P\R\B\Z
 1004 Partial match: cdabbbbbbbb
 1005     efabbbbbbbbbbbbbbbb\P\R\B\Z
 1006 Partial match: efabbbbbbbbbbbbbbbb
 1007     bbbbbbbbbbbbcdXyasdfadf\P\R\B\Z    
 1008  0: bbbbbbbbbbbbcdX
 1009 
 1010 /(a|b)/SF>testsavedregex
 1011 Compiled regex written to testsavedregex
 1012 Study data written to testsavedregex
 1013 <testsavedregex
 1014 Compiled regex (byte-inverted) loaded from testsavedregex
 1015 Study data loaded from testsavedregex
 1016     abc
 1017  0: a
 1018     ** Failers
 1019  0: a
 1020     def  
 1021 No match
 1022     
 1023 /the quick brown fox/
 1024     the quick brown fox
 1025  0: the quick brown fox
 1026     The quick brown FOX
 1027 No match
 1028     What do you know about the quick brown fox?
 1029  0: the quick brown fox
 1030     What do you know about THE QUICK BROWN FOX?
 1031 No match
 1032 
 1033 /The quick brown fox/i
 1034     the quick brown fox
 1035  0: the quick brown fox
 1036     The quick brown FOX
 1037  0: The quick brown FOX
 1038     What do you know about the quick brown fox?
 1039  0: the quick brown fox
 1040     What do you know about THE QUICK BROWN FOX?
 1041  0: THE QUICK BROWN FOX
 1042 
 1043 /abcd\t\n\r\f\a\e\071\x3b\$\\\?caxyz/
 1044     abcd\t\n\r\f\a\e9;\$\\?caxyz
 1045  0: abcd\x09\x0a\x0d\x0c\x07\x1b9;$\?caxyz
 1046 
 1047 /a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz/
 1048     abxyzpqrrrabbxyyyypqAzz
 1049  0: abxyzpqrrrabbxyyyypqAzz
 1050     abxyzpqrrrabbxyyyypqAzz
 1051  0: abxyzpqrrrabbxyyyypqAzz
 1052     aabxyzpqrrrabbxyyyypqAzz
 1053  0: aabxyzpqrrrabbxyyyypqAzz
 1054     aaabxyzpqrrrabbxyyyypqAzz
 1055  0: aaabxyzpqrrrabbxyyyypqAzz
 1056     aaaabxyzpqrrrabbxyyyypqAzz
 1057  0: aaaabxyzpqrrrabbxyyyypqAzz
 1058     abcxyzpqrrrabbxyyyypqAzz
 1059  0: abcxyzpqrrrabbxyyyypqAzz
 1060     aabcxyzpqrrrabbxyyyypqAzz
 1061  0: aabcxyzpqrrrabbxyyyypqAzz
 1062     aaabcxyzpqrrrabbxyyyypAzz
 1063  0: aaabcxyzpqrrrabbxyyyypAzz
 1064     aaabcxyzpqrrrabbxyyyypqAzz
 1065  0: aaabcxyzpqrrrabbxyyyypqAzz
 1066     aaabcxyzpqrrrabbxyyyypqqAzz
 1067  0: aaabcxyzpqrrrabbxyyyypqqAzz
 1068     aaabcxyzpqrrrabbxyyyypqqqAzz
 1069  0: aaabcxyzpqrrrabbxyyyypqqqAzz
 1070     aaabcxyzpqrrrabbxyyyypqqqqAzz
 1071  0: aaabcxyzpqrrrabbxyyyypqqqqAzz
 1072     aaabcxyzpqrrrabbxyyyypqqqqqAzz
 1073  0: aaabcxyzpqrrrabbxyyyypqqqqqAzz
 1074     aaabcxyzpqrrrabbxyyyypqqqqqqAzz
 1075  0: aaabcxyzpqrrrabbxyyyypqqqqqqAzz
 1076     aaaabcxyzpqrrrabbxyyyypqAzz
 1077  0: aaaabcxyzpqrrrabbxyyyypqAzz
 1078     abxyzzpqrrrabbxyyyypqAzz
 1079  0: abxyzzpqrrrabbxyyyypqAzz
 1080     aabxyzzzpqrrrabbxyyyypqAzz
 1081  0: aabxyzzzpqrrrabbxyyyypqAzz
 1082     aaabxyzzzzpqrrrabbxyyyypqAzz
 1083  0: aaabxyzzzzpqrrrabbxyyyypqAzz
 1084     aaaabxyzzzzpqrrrabbxyyyypqAzz
 1085  0: aaaabxyzzzzpqrrrabbxyyyypqAzz
 1086     abcxyzzpqrrrabbxyyyypqAzz
 1087  0: abcxyzzpqrrrabbxyyyypqAzz
 1088     aabcxyzzzpqrrrabbxyyyypqAzz
 1089  0: aabcxyzzzpqrrrabbxyyyypqAzz
 1090     aaabcxyzzzzpqrrrabbxyyyypqAzz
 1091  0: aaabcxyzzzzpqrrrabbxyyyypqAzz
 1092     aaaabcxyzzzzpqrrrabbxyyyypqAzz
 1093  0: aaaabcxyzzzzpqrrrabbxyyyypqAzz
 1094     aaaabcxyzzzzpqrrrabbbxyyyypqAzz
 1095  0: aaaabcxyzzzzpqrrrabbbxyyyypqAzz
 1096     aaaabcxyzzzzpqrrrabbbxyyyyypqAzz
 1097  0: aaaabcxyzzzzpqrrrabbbxyyyyypqAzz
 1098     aaabcxyzpqrrrabbxyyyypABzz
 1099  0: aaabcxyzpqrrrabbxyyyypABzz
 1100     aaabcxyzpqrrrabbxyyyypABBzz
 1101  0: aaabcxyzpqrrrabbxyyyypABBzz
 1102     >>>aaabxyzpqrrrabbxyyyypqAzz
 1103  0: aaabxyzpqrrrabbxyyyypqAzz
 1104     >aaaabxyzpqrrrabbxyyyypqAzz
 1105  0: aaaabxyzpqrrrabbxyyyypqAzz
 1106     >>>>abcxyzpqrrrabbxyyyypqAzz
 1107  0: abcxyzpqrrrabbxyyyypqAzz
 1108     *** Failers
 1109 No match
 1110     abxyzpqrrabbxyyyypqAzz
 1111 No match
 1112     abxyzpqrrrrabbxyyyypqAzz
 1113 No match
 1114     abxyzpqrrrabxyyyypqAzz
 1115 No match
 1116     aaaabcxyzzzzpqrrrabbbxyyyyyypqAzz
 1117 No match
 1118     aaaabcxyzzzzpqrrrabbbxyyypqAzz
 1119 No match
 1120     aaabcxyzpqrrrabbxyyyypqqqqqqqAzz
 1121 No match
 1122 
 1123 /^(abc){1,2}zz/
 1124     abczz
 1125  0: abczz
 1126     abcabczz
 1127  0: abcabczz
 1128     *** Failers
 1129 No match
 1130     zz
 1131 No match
 1132     abcabcabczz
 1133 No match
 1134     >>abczz
 1135 No match
 1136 
 1137 /^(b+?|a){1,2}?c/
 1138     bc
 1139  0: bc
 1140     bbc
 1141  0: bbc
 1142     bbbc
 1143  0: bbbc
 1144     bac
 1145  0: bac
 1146     bbac
 1147  0: bbac
 1148     aac
 1149  0: aac
 1150     abbbbbbbbbbbc
 1151  0: abbbbbbbbbbbc
 1152     bbbbbbbbbbbac
 1153  0: bbbbbbbbbbbac
 1154     *** Failers
 1155 No match
 1156     aaac
 1157 No match
 1158     abbbbbbbbbbbac
 1159 No match
 1160 
 1161 /^(b+|a){1,2}c/
 1162     bc
 1163  0: bc
 1164     bbc
 1165  0: bbc
 1166     bbbc
 1167  0: bbbc
 1168     bac
 1169  0: bac
 1170     bbac
 1171  0: bbac
 1172     aac
 1173  0: aac
 1174     abbbbbbbbbbbc
 1175  0: abbbbbbbbbbbc
 1176     bbbbbbbbbbbac
 1177  0: bbbbbbbbbbbac
 1178     *** Failers
 1179 No match
 1180     aaac
 1181 No match
 1182     abbbbbbbbbbbac
 1183 No match
 1184 
 1185 /^(b+|a){1,2}?bc/
 1186     bbc
 1187  0: bbc
 1188 
 1189 /^(b*|ba){1,2}?bc/
 1190     babc
 1191  0: babc
 1192     bbabc
 1193  0: bbabc
 1194     bababc
 1195  0: bababc
 1196     *** Failers
 1197 No match
 1198     bababbc
 1199 No match
 1200     babababc
 1201 No match
 1202 
 1203 /^(ba|b*){1,2}?bc/
 1204     babc
 1205  0: babc
 1206     bbabc
 1207  0: bbabc
 1208     bababc
 1209  0: bababc
 1210     *** Failers
 1211 No match
 1212     bababbc
 1213 No match
 1214     babababc
 1215 No match
 1216 
 1217 /^\ca\cA\c[\c{\c:/
 1218     \x01\x01\e;z
 1219  0: \x01\x01\x1b;z
 1220 
 1221 /^[ab\]cde]/
 1222     athing
 1223  0: a
 1224     bthing
 1225  0: b
 1226     ]thing
 1227  0: ]
 1228     cthing
 1229  0: c
 1230     dthing
 1231  0: d
 1232     ething
 1233  0: e
 1234     *** Failers
 1235 No match
 1236     fthing
 1237 No match
 1238     [thing
 1239 No match
 1240     \\thing
 1241 No match
 1242 
 1243 /^[]cde]/
 1244     ]thing
 1245  0: ]
 1246     cthing
 1247  0: c
 1248     dthing
 1249  0: d
 1250     ething
 1251  0: e
 1252     *** Failers
 1253 No match
 1254     athing
 1255 No match
 1256     fthing
 1257 No match
 1258 
 1259 /^[^ab\]cde]/
 1260     fthing
 1261  0: f
 1262     [thing
 1263  0: [
 1264     \\thing
 1265  0: \
 1266     *** Failers
 1267  0: *
 1268     athing
 1269 No match
 1270     bthing
 1271 No match
 1272     ]thing
 1273 No match
 1274     cthing
 1275 No match
 1276     dthing
 1277 No match
 1278     ething
 1279 No match
 1280 
 1281 /^[^]cde]/
 1282     athing
 1283  0: a
 1284     fthing
 1285  0: f
 1286     *** Failers
 1287  0: *
 1288     ]thing
 1289 No match
 1290     cthing
 1291 No match
 1292     dthing
 1293 No match
 1294     ething
 1295 No match
 1296 
 1297 /^\/
 1298     
 1299  0: \x81
 1300 
 1301 /^/
 1302     
 1303  0: \xff
 1304 
 1305 /^[0-9]+$/
 1306     0
 1307  0: 0
 1308     1
 1309  0: 1
 1310     2
 1311  0: 2
 1312     3
 1313  0: 3
 1314     4
 1315  0: 4
 1316     5
 1317  0: 5
 1318     6
 1319  0: 6
 1320     7
 1321  0: 7
 1322     8
 1323  0: 8
 1324     9
 1325  0: 9
 1326     10
 1327  0: 10
 1328     100
 1329  0: 100
 1330     *** Failers
 1331 No match
 1332     abc
 1333 No match
 1334 
 1335 /^.*nter/
 1336     enter
 1337  0: enter
 1338     inter
 1339  0: inter
 1340     uponter
 1341  0: uponter
 1342 
 1343 /^xxx[0-9]+$/
 1344     xxx0
 1345  0: xxx0
 1346     xxx1234
 1347  0: xxx1234
 1348     *** Failers
 1349 No match
 1350     xxx
 1351 No match
 1352 
 1353 /^.+[0-9][0-9][0-9]$/
 1354     x123
 1355  0: x123
 1356     xx123
 1357  0: xx123
 1358     123456
 1359  0: 123456
 1360     *** Failers
 1361 No match
 1362     123
 1363 No match
 1364     x1234
 1365  0: x1234
 1366 
 1367 /^.+?[0-9][0-9][0-9]$/
 1368     x123
 1369  0: x123
 1370     xx123
 1371  0: xx123
 1372     123456
 1373  0: 123456
 1374     *** Failers
 1375 No match
 1376     123
 1377 No match
 1378     x1234
 1379  0: x1234
 1380 
 1381 /^([^!]+)!(.+)=apquxz\.ixr\.zzz\.ac\.uk$/
 1382     abc!pqr=apquxz.ixr.zzz.ac.uk
 1383  0: abc!pqr=apquxz.ixr.zzz.ac.uk
 1384     *** Failers
 1385 No match
 1386     !pqr=apquxz.ixr.zzz.ac.uk
 1387 No match
 1388     abc!=apquxz.ixr.zzz.ac.uk
 1389 No match
 1390     abc!pqr=apquxz:ixr.zzz.ac.uk
 1391 No match
 1392     abc!pqr=apquxz.ixr.zzz.ac.ukk
 1393 No match
 1394 
 1395 /:/
 1396     Well, we need a colon: somewhere
 1397  0: :
 1398     *** Fail if we don't
 1399 No match
 1400 
 1401 /([\da-f:]+)$/i
 1402     0abc
 1403  0: 0abc
 1404     abc
 1405  0: abc
 1406     fed
 1407  0: fed
 1408     E
 1409  0: E
 1410     ::
 1411  0: ::
 1412     5f03:12C0::932e
 1413  0: 5f03:12C0::932e
 1414     fed def
 1415  0: def
 1416     Any old stuff
 1417  0: ff
 1418     *** Failers
 1419 No match
 1420     0zzz
 1421 No match
 1422     gzzz
 1423 No match
 1424     fed\x20
 1425 No match
 1426     Any old rubbish
 1427 No match
 1428 
 1429 /^.*\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/
 1430     .1.2.3
 1431  0: .1.2.3
 1432     A.12.123.0
 1433  0: A.12.123.0
 1434     *** Failers
 1435 No match
 1436     .1.2.3333
 1437 No match
 1438     1.2.3
 1439 No match
 1440     1234.2.3
 1441 No match
 1442 
 1443 /^(\d+)\s+IN\s+SOA\s+(\S+)\s+(\S+)\s*\(\s*$/
 1444     1 IN SOA non-sp1 non-sp2(
 1445  0: 1 IN SOA non-sp1 non-sp2(
 1446     1    IN    SOA    non-sp1    non-sp2   (
 1447  0: 1    IN    SOA    non-sp1    non-sp2   (
 1448     *** Failers
 1449 No match
 1450     1IN SOA non-sp1 non-sp2(
 1451 No match
 1452 
 1453 /^[a-zA-Z\d][a-zA-Z\d\-]*(\.[a-zA-Z\d][a-zA-z\d\-]*)*\.$/
 1454     a.
 1455  0: a.
 1456     Z.
 1457  0: Z.
 1458     2.
 1459  0: 2.
 1460     ab-c.pq-r.
 1461  0: ab-c.pq-r.
 1462     sxk.zzz.ac.uk.
 1463  0: sxk.zzz.ac.uk.
 1464     x-.y-.
 1465  0: x-.y-.
 1466     *** Failers
 1467 No match
 1468     -abc.peq.
 1469 No match
 1470 
 1471 /^\*\.[a-z]([a-z\-\d]*[a-z\d]+)?(\.[a-z]([a-z\-\d]*[a-z\d]+)?)*$/
 1472     *.a
 1473  0: *.a
 1474     *.b0-a
 1475  0: *.b0-a
 1476     *.c3-b.c
 1477  0: *.c3-b.c
 1478     *.c-a.b-c
 1479  0: *.c-a.b-c
 1480     *** Failers
 1481 No match
 1482     *.0
 1483 No match
 1484     *.a-
 1485 No match
 1486     *.a-b.c-
 1487 No match
 1488     *.c-a.0-c
 1489 No match
 1490 
 1491 /^(?=ab(de))(abd)(e)/
 1492     abde
 1493  0: abde
 1494 
 1495 /^(?!(ab)de|x)(abd)(f)/
 1496     abdf
 1497  0: abdf
 1498 
 1499 /^(?=(ab(cd)))(ab)/
 1500     abcd
 1501  0: ab
 1502 
 1503 /^[\da-f](\.[\da-f])*$/i
 1504     a.b.c.d
 1505  0: a.b.c.d
 1506     A.B.C.D
 1507  0: A.B.C.D
 1508     a.b.c.1.2.3.C
 1509  0: a.b.c.1.2.3.C
 1510 
 1511 /^\".*\"\s*(;.*)?$/
 1512     \"1234\"
 1513  0: "1234"
 1514     \"abcd\" ;
 1515  0: "abcd" ;
 1516     \"\" ; rhubarb
 1517  0: "" ; rhubarb
 1518     *** Failers
 1519 No match
 1520     \"1234\" : things
 1521 No match
 1522 
 1523 /^$/
 1524     \
 1525  0: 
 1526     *** Failers
 1527 No match
 1528 
 1529 /   ^    a   (?# begins with a)  b\sc (?# then b c) $ (?# then end)/x
 1530     ab c
 1531  0: ab c
 1532     *** Failers
 1533 No match
 1534     abc
 1535 No match
 1536     ab cde
 1537 No match
 1538 
 1539 /(?x)   ^    a   (?# begins with a)  b\sc (?# then b c) $ (?# then end)/
 1540     ab c
 1541  0: ab c
 1542     *** Failers
 1543 No match
 1544     abc
 1545 No match
 1546     ab cde
 1547 No match
 1548 
 1549 /^   a\ b[c ]d       $/x
 1550     a bcd
 1551  0: a bcd
 1552     a b d
 1553  0: a b d
 1554     *** Failers
 1555 No match
 1556     abcd
 1557 No match
 1558     ab d
 1559 No match
 1560 
 1561 /^(a(b(c)))(d(e(f)))(h(i(j)))(k(l(m)))$/
 1562     abcdefhijklm
 1563  0: abcdefhijklm
 1564 
 1565 /^(?:a(b(c)))(?:d(e(f)))(?:h(i(j)))(?:k(l(m)))$/
 1566     abcdefhijklm
 1567  0: abcdefhijklm
 1568 
 1569 /^[\w][\W][\s][\S][\d][\D][\b][\n][\c]][\022]/
 1570     a+ Z0+\x08\n\x1d\x12
 1571  0: a+ Z0+\x08\x0a\x1d\x12
 1572 
 1573 /^[.^$|()*+?{,}]+/
 1574     .^\$(*+)|{?,?}
 1575  0: .^$(*+)|{?,?}
 1576  1: .^$(*+)|{?,?
 1577  2: .^$(*+)|{?,
 1578  3: .^$(*+)|{?
 1579  4: .^$(*+)|{
 1580  5: .^$(*+)|
 1581  6: .^$(*+)
 1582  7: .^$(*+
 1583  8: .^$(*
 1584  9: .^$(
 1585 10: .^$
 1586 11: .^
 1587 12: .
 1588 
 1589 /^a*\w/
 1590     z
 1591  0: z
 1592     az
 1593  0: az
 1594  1: a
 1595     aaaz
 1596  0: aaaz
 1597  1: aaa
 1598  2: aa
 1599  3: a
 1600     a
 1601  0: a
 1602     aa
 1603  0: aa
 1604  1: a
 1605     aaaa
 1606  0: aaaa
 1607  1: aaa
 1608  2: aa
 1609  3: a
 1610     a+
 1611  0: a
 1612     aa+
 1613  0: aa
 1614  1: a
 1615 
 1616 /^a*?\w/
 1617     z
 1618  0: z
 1619     az
 1620  0: az
 1621  1: a
 1622     aaaz
 1623  0: aaaz
 1624  1: aaa
 1625  2: aa
 1626  3: a
 1627     a
 1628  0: a
 1629     aa
 1630  0: aa
 1631  1: a
 1632     aaaa
 1633  0: aaaa
 1634  1: aaa
 1635  2: aa
 1636  3: a
 1637     a+
 1638  0: a
 1639     aa+
 1640  0: aa
 1641  1: a
 1642 
 1643 /^a+\w/
 1644     az
 1645  0: az
 1646     aaaz
 1647  0: aaaz
 1648  1: aaa
 1649  2: aa
 1650     aa
 1651  0: aa
 1652     aaaa
 1653  0: aaaa
 1654  1: aaa
 1655  2: aa
 1656     aa+
 1657  0: aa
 1658 
 1659 /^a+?\w/
 1660     az
 1661  0: az
 1662     aaaz
 1663  0: aaaz
 1664  1: aaa
 1665  2: aa
 1666     aa
 1667  0: aa
 1668     aaaa
 1669  0: aaaa
 1670  1: aaa
 1671  2: aa
 1672     aa+
 1673  0: aa
 1674 
 1675 /^\d{8}\w{2,}/
 1676     1234567890
 1677  0: 1234567890
 1678     12345678ab
 1679  0: 12345678ab
 1680     12345678__
 1681  0: 12345678__
 1682     *** Failers
 1683 No match
 1684     1234567
 1685 No match
 1686 
 1687 /^[aeiou\d]{4,5}$/
 1688     uoie
 1689  0: uoie
 1690     1234
 1691  0: 1234
 1692     12345
 1693  0: 12345
 1694     aaaaa
 1695  0: aaaaa
 1696     *** Failers
 1697 No match
 1698     123456
 1699 No match
 1700 
 1701 /^[aeiou\d]{4,5}?/
 1702     uoie
 1703  0: uoie
 1704     1234
 1705  0: 1234
 1706     12345
 1707  0: 12345
 1708  1: 1234
 1709     aaaaa
 1710  0: aaaaa
 1711  1: aaaa
 1712     123456
 1713  0: 12345
 1714  1: 1234
 1715 
 1716 /^From +([^ ]+) +[a-zA-Z][a-zA-Z][a-zA-Z] +[a-zA-Z][a-zA-Z][a-zA-Z] +[0-9]?[0-9] +[0-9][0-9]:[0-9][0-9]/
 1717     From abcd  Mon Sep 01 12:33:02 1997
 1718  0: From abcd  Mon Sep 01 12:33
 1719 
 1720 /^From\s+\S+\s+([a-zA-Z]{3}\s+){2}\d{1,2}\s+\d\d:\d\d/
 1721     From abcd  Mon Sep 01 12:33:02 1997
 1722  0: From abcd  Mon Sep 01 12:33
 1723     From abcd  Mon Sep  1 12:33:02 1997
 1724  0: From abcd  Mon Sep  1 12:33
 1725     *** Failers
 1726 No match
 1727     From abcd  Sep 01 12:33:02 1997
 1728 No match
 1729 
 1730 /^12.34/s
 1731     12\n34
 1732  0: 12\x0a34
 1733     12\r34
 1734  0: 12\x0d34
 1735 
 1736 /\w+(?=\t)/
 1737     the quick brown\t fox
 1738  0: brown
 1739 
 1740 /foo(?!bar)(.*)/
 1741     foobar is foolish see?
 1742  0: foolish see?
 1743  1: foolish see
 1744  2: foolish se
 1745  3: foolish s
 1746  4: foolish 
 1747  5: foolish
 1748  6: foolis
 1749  7: fooli
 1750  8: fool
 1751  9: foo
 1752 
 1753 /(?:(?!foo)...|^.{0,2})bar(.*)/
 1754     foobar crowbar etc
 1755  0: rowbar etc
 1756  1: rowbar et
 1757  2: rowbar e
 1758  3: rowbar 
 1759  4: rowbar
 1760     barrel
 1761  0: barrel
 1762  1: barre
 1763  2: barr
 1764  3: bar
 1765     2barrel
 1766  0: 2barrel
 1767  1: 2barre
 1768  2: 2barr
 1769  3: 2bar
 1770     A barrel
 1771  0: A barrel
 1772  1: A barre
 1773  2: A barr
 1774  3: A bar
 1775 
 1776 /^(\D*)(?=\d)(?!123)/
 1777     abc456
 1778  0: abc
 1779     *** Failers
 1780 No match
 1781     abc123
 1782 No match
 1783 
 1784 /^1234(?# test newlines
 1785   inside)/
 1786     1234
 1787  0: 1234
 1788 
 1789 /^1234 #comment in extended re
 1790   /x
 1791     1234
 1792  0: 1234
 1793 
 1794 /#rhubarb
 1795   abcd/x
 1796     abcd
 1797  0: abcd
 1798 
 1799 /^abcd#rhubarb/x
 1800     abcd
 1801  0: abcd
 1802 
 1803 /(?!^)abc/
 1804     the abc
 1805  0: abc
 1806     *** Failers
 1807 No match
 1808     abc
 1809 No match
 1810 
 1811 /(?=^)abc/
 1812     abc
 1813  0: abc
 1814     *** Failers
 1815 No match
 1816     the abc
 1817 No match
 1818 
 1819 /^[ab]{1,3}(ab*|b)/
 1820     aabbbbb
 1821  0: aabbbbb
 1822  1: aabbbb
 1823  2: aabbb
 1824  3: aabb
 1825  4: aab
 1826  5: aa
 1827 
 1828 /^[ab]{1,3}?(ab*|b)/
 1829     aabbbbb
 1830  0: aabbbbb
 1831  1: aabbbb
 1832  2: aabbb
 1833  3: aabb
 1834  4: aab
 1835  5: aa
 1836 
 1837 /^[ab]{1,3}?(ab*?|b)/
 1838     aabbbbb
 1839  0: aabbbbb
 1840  1: aabbbb
 1841  2: aabbb
 1842  3: aabb
 1843  4: aab
 1844  5: aa
 1845 
 1846 /^[ab]{1,3}(ab*?|b)/
 1847     aabbbbb
 1848  0: aabbbbb
 1849  1: aabbbb
 1850  2: aabbb
 1851  3: aabb
 1852  4: aab
 1853  5: aa
 1854 
 1855 /  (?: [\040\t] |  \(
 1856 (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  |  \( (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  )* \)  )*
 1857 \)  )*                          # optional leading comment
 1858 (?:    (?:
 1859 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+    # some number of atom characters...
 1860 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
 1861 |
 1862 " (?:                      # opening quote...
 1863 [^\\\x80-\xff\n\015"]                #   Anything except backslash and quote
 1864 |                     #    or
 1865 \\ [^\x80-\xff]           #   Escaped something (something != CR)
 1866 )* "  # closing quote
 1867 )                    # initial word
 1868 (?:  (?: [\040\t] |  \(
 1869 (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  |  \( (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  )* \)  )*
 1870 \)  )*  \.  (?: [\040\t] |  \(
 1871 (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  |  \( (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  )* \)  )*
 1872 \)  )*   (?:
 1873 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+    # some number of atom characters...
 1874 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
 1875 |
 1876 " (?:                      # opening quote...
 1877 [^\\\x80-\xff\n\015"]                #   Anything except backslash and quote
 1878 |                     #    or
 1879 \\ [^\x80-\xff]           #   Escaped something (something != CR)
 1880 )* "  # closing quote
 1881 )  )* # further okay, if led by a period
 1882 (?: [\040\t] |  \(
 1883 (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  |  \( (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  )* \)  )*
 1884 \)  )*  @  (?: [\040\t] |  \(
 1885 (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  |  \( (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  )* \)  )*
 1886 \)  )*    (?:
 1887 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+    # some number of atom characters...
 1888 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
 1889 |   \[                         # [
 1890 (?: [^\\\x80-\xff\n\015\[\]] |  \\ [^\x80-\xff]  )*    #    stuff
 1891 \]                        #           ]
 1892 )                           # initial subdomain
 1893 (?:                                  #
 1894 (?: [\040\t] |  \(
 1895 (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  |  \( (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  )* \)  )*
 1896 \)  )*  \.                        # if led by a period...
 1897 (?: [\040\t] |  \(
 1898 (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  |  \( (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  )* \)  )*
 1899 \)  )*   (?:
 1900 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+    # some number of atom characters...
 1901 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
 1902 |   \[                         # [
 1903 (?: [^\\\x80-\xff\n\015\[\]] |  \\ [^\x80-\xff]  )*    #    stuff
 1904 \]                        #           ]
 1905 )                     #   ...further okay
 1906 )*
 1907 # address
 1908 |                     #  or
 1909 (?:
 1910 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+    # some number of atom characters...
 1911 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
 1912 |
 1913 " (?:                      # opening quote...
 1914 [^\\\x80-\xff\n\015"]                #   Anything except backslash and quote
 1915 |                     #    or
 1916 \\ [^\x80-\xff]           #   Escaped something (something != CR)
 1917 )* "  # closing quote
 1918 )             # one word, optionally followed by....
 1919 (?:
 1920 [^()<>@,;:".\\\[\]\x80-\xff\000-\010\012-\037]  |  # atom and space parts, or...
 1921 \(
 1922 (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  |  \( (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  )* \)  )*
 1923 \)       |  # comments, or...
 1924 
 1925 " (?:                      # opening quote...
 1926 [^\\\x80-\xff\n\015"]                #   Anything except backslash and quote
 1927 |                     #    or
 1928 \\ [^\x80-\xff]           #   Escaped something (something != CR)
 1929 )* "  # closing quote
 1930 # quoted strings
 1931 )*
 1932 <  (?: [\040\t] |  \(
 1933 (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  |  \( (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  )* \)  )*
 1934 \)  )*                     # leading <
 1935 (?:  @  (?: [\040\t] |  \(
 1936 (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  |  \( (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  )* \)  )*
 1937 \)  )*    (?:
 1938 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+    # some number of atom characters...
 1939 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
 1940 |   \[                         # [
 1941 (?: [^\\\x80-\xff\n\015\[\]] |  \\ [^\x80-\xff]  )*    #    stuff
 1942 \]                        #           ]
 1943 )                           # initial subdomain
 1944 (?:                                  #
 1945 (?: [\040\t] |  \(
 1946 (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  |  \( (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  )* \)  )*
 1947 \)  )*  \.                        # if led by a period...
 1948 (?: [\040\t] |  \(
 1949 (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  |  \( (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  )* \)  )*
 1950 \)  )*   (?:
 1951 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+    # some number of atom characters...
 1952 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
 1953 |   \[                         # [
 1954 (?: [^\\\x80-\xff\n\015\[\]] |  \\ [^\x80-\xff]  )*    #    stuff
 1955 \]                        #           ]
 1956 )                     #   ...further okay
 1957 )*
 1958 
 1959 (?:  (?: [\040\t] |  \(
 1960 (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  |  \( (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  )* \)  )*
 1961 \)  )*  ,  (?: [\040\t] |  \(
 1962 (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  |  \( (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  )* \)  )*
 1963 \)  )*  @  (?: [\040\t] |  \(
 1964 (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  |  \( (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  )* \)  )*
 1965 \)  )*    (?:
 1966 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+    # some number of atom characters...
 1967 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
 1968 |   \[                         # [
 1969 (?: [^\\\x80-\xff\n\015\[\]] |  \\ [^\x80-\xff]  )*    #    stuff
 1970 \]                        #           ]
 1971 )                           # initial subdomain
 1972 (?:                                  #
 1973 (?: [\040\t] |  \(
 1974 (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  |  \( (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  )* \)  )*
 1975 \)  )*  \.                        # if led by a period...
 1976 (?: [\040\t] |  \(
 1977 (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  |  \( (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  )* \)  )*
 1978 \)  )*   (?:
 1979 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+    # some number of atom characters...
 1980 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
 1981 |   \[                         # [
 1982 (?: [^\\\x80-\xff\n\015\[\]] |  \\ [^\x80-\xff]  )*    #    stuff
 1983 \]                        #           ]
 1984 )                     #   ...further okay
 1985 )*
 1986 )* # further okay, if led by comma
 1987 :                                # closing colon
 1988 (?: [\040\t] |  \(
 1989 (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  |  \( (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  )* \)  )*
 1990 \)  )*  )? #       optional route
 1991 (?:
 1992 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+    # some number of atom characters...
 1993 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
 1994 |
 1995 " (?:                      # opening quote...
 1996 [^\\\x80-\xff\n\015"]                #   Anything except backslash and quote
 1997 |                     #    or
 1998 \\ [^\x80-\xff]           #   Escaped something (something != CR)
 1999 )* "  # closing quote
 2000 )                    # initial word
 2001 (?:  (?: [\040\t] |  \(
 2002 (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  |  \( (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  )* \)  )*
 2003 \)  )*  \.  (?: [\040\t] |  \(
 2004 (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  |  \( (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  )* \)  )*
 2005 \)  )*   (?:
 2006 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+    # some number of atom characters...
 2007 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
 2008 |
 2009 " (?:                      # opening quote...
 2010 [^\\\x80-\xff\n\015"]                #   Anything except backslash and quote
 2011 |                     #    or
 2012 \\ [^\x80-\xff]           #   Escaped something (something != CR)
 2013 )* "  # closing quote
 2014 )  )* # further okay, if led by a period
 2015 (?: [\040\t] |  \(
 2016 (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  |  \( (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  )* \)  )*
 2017 \)  )*  @  (?: [\040\t] |  \(
 2018 (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  |  \( (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  )* \)  )*
 2019 \)  )*    (?:
 2020 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+    # some number of atom characters...
 2021 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
 2022 |   \[                         # [
 2023 (?: [^\\\x80-\xff\n\015\[\]] |  \\ [^\x80-\xff]  )*    #    stuff
 2024 \]                        #           ]
 2025 )                           # initial subdomain
 2026 (?:                                  #
 2027 (?: [\040\t] |  \(
 2028 (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  |  \( (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  )* \)  )*
 2029 \)  )*  \.                        # if led by a period...
 2030 (?: [\040\t] |  \(
 2031 (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  |  \( (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  )* \)  )*
 2032 \)  )*   (?:
 2033 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+    # some number of atom characters...
 2034 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
 2035 |   \[                         # [
 2036 (?: [^\\\x80-\xff\n\015\[\]] |  \\ [^\x80-\xff]  )*    #    stuff
 2037 \]                        #           ]
 2038 )                     #   ...further okay
 2039 )*
 2040 #       address spec
 2041 (?: [\040\t] |  \(
 2042 (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  |  \( (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  )* \)  )*
 2043 \)  )*  > #                  trailing >
 2044 # name and address
 2045 )  (?: [\040\t] |  \(
 2046 (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  |  \( (?:  [^\\\x80-\xff\n\015()]  |  \\ [^\x80-\xff]  )* \)  )*
 2047 \)  )*                       # optional trailing comment
 2048 /x
 2049     Alan Other <user\@dom.ain>
 2050  0: Alan Other <user@dom.ain>
 2051     <user\@dom.ain>
 2052  0: user@dom.ain
 2053  1: user@dom
 2054     user\@dom.ain
 2055  0: user@dom.ain
 2056  1: user@dom
 2057     \"A. Other\" <user.1234\@dom.ain> (a comment)
 2058  0: "A. Other" <user.1234@dom.ain> (a comment)
 2059  1: "A. Other" <user.1234@dom.ain> 
 2060  2: "A. Other" <user.1234@dom.ain>
 2061     A. Other <user.1234\@dom.ain> (a comment)
 2062  0:  Other <user.1234@dom.ain> (a comment)
 2063  1:  Other <user.1234@dom.ain> 
 2064  2:  Other <user.1234@dom.ain>
 2065     \"/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/\"\@x400-re.lay
 2066  0: "/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/"@x400-re.lay
 2067  1: "/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/"@x400-re
 2068     A missing angle <user\@some.where
 2069  0: user@some.where
 2070  1: user@some
 2071     *** Failers
 2072 No match
 2073     The quick brown fox
 2074 No match
 2075 
 2076 /[\040\t]*                    # Nab whitespace.
 2077 (?:
 2078 \(                              #  (
 2079 [^\\\x80-\xff\n\015()] *                             #     normal*
 2080 (?:                                 #       (
 2081 (?:  \\ [^\x80-\xff]  |
 2082 \(                            #  (
 2083 [^\\\x80-\xff\n\015()] *                            #     normal*
 2084 (?:  \\ [^\x80-\xff]   [^\\\x80-\xff\n\015()] * )*        #     (special normal*)*
 2085 \)                           #                       )
 2086 )    #         special
 2087 [^\\\x80-\xff\n\015()] *                         #         normal*
 2088 )*                                  #            )*
 2089 \)                             #                )
 2090 [\040\t]* )*    # If comment found, allow more spaces.
 2091 # optional leading comment
 2092 (?:
 2093 (?:
 2094 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+    # some number of atom characters...
 2095 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
 2096 # Atom
 2097 |                       #  or
 2098 "                                     # "
 2099 [^\\\x80-\xff\n\015"] *                            #   normal
 2100 (?:  \\ [^\x80-\xff]  [^\\\x80-\xff\n\015"] * )*        #   ( special normal* )*
 2101 "                                     #        "
 2102 # Quoted string
 2103 )
 2104 [\040\t]*                    # Nab whitespace.
 2105 (?:
 2106 \(                              #  (
 2107 [^\\\x80-\xff\n\015()] *                             #     normal*
 2108 (?:                                 #       (
 2109 (?:  \\ [^\x80-\xff]  |
 2110 \(                            #  (
 2111 [^\\\x80-\xff\n\015()] *                            #     normal*
 2112 (?:  \\ [^\x80-\xff]   [^\\\x80-\xff\n\015()] * )*        #     (special normal*)*
 2113 \)                           #                       )
 2114 )    #         special
 2115 [^\\\x80-\xff\n\015()] *                         #         normal*
 2116 )*                                  #            )*
 2117 \)                             #                )
 2118 [\040\t]* )*    # If comment found, allow more spaces.
 2119 (?:
 2120 \.
 2121 [\040\t]*                    # Nab whitespace.
 2122 (?:
 2123 \(                              #  (
 2124 [^\\\x80-\xff\n\015()] *                             #     normal*
 2125 (?:                                 #       (
 2126 (?:  \\ [^\x80-\xff]  |
 2127 \(                            #  (
 2128 [^\\\x80-\xff\n\015()] *                            #     normal*
 2129 (?:  \\ [^\x80-\xff]   [^\\\x80-\xff\n\015()] * )*        #     (special normal*)*
 2130 \)                           #                       )
 2131 )    #         special
 2132 [^\\\x80-\xff\n\015()] *                         #         normal*
 2133 )*                                  #            )*
 2134 \)                             #                )
 2135 [\040\t]* )*    # If comment found, allow more spaces.
 2136 (?:
 2137 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+    # some number of atom characters...
 2138 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
 2139 # Atom
 2140 |                       #  or
 2141 "                                     # "
 2142 [^\\\x80-\xff\n\015"] *                            #   normal
 2143 (?:  \\ [^\x80-\xff]  [^\\\x80-\xff\n\015"] * )*        #   ( special normal* )*
 2144 "                                     #        "
 2145 # Quoted string
 2146 )
 2147 [\040\t]*                    # Nab whitespace.
 2148 (?:
 2149 \(                              #  (
 2150 [^\\\x80-\xff\n\015()] *                             #     normal*
 2151 (?:                                 #       (
 2152 (?:  \\ [^\x80-\xff]  |
 2153 \(                            #  (
 2154 [^\\\x80-\xff\n\015()] *                            #     normal*
 2155 (?:  \\ [^\x80-\xff]   [^\\\x80-\xff\n\015()] * )*        #     (special normal*)*
 2156 \)                           #                       )
 2157 )    #         special
 2158 [^\\\x80-\xff\n\015()] *                         #         normal*
 2159 )*                                  #            )*
 2160 \)                             #                )
 2161 [\040\t]* )*    # If comment found, allow more spaces.
 2162 # additional words
 2163 )*
 2164 @
 2165 [\040\t]*                    # Nab whitespace.
 2166 (?:
 2167 \(                              #  (
 2168 [^\\\x80-\xff\n\015()] *                             #     normal*
 2169 (?:                                 #       (
 2170 (?:  \\ [^\x80-\xff]  |
 2171 \(                            #  (
 2172 [^\\\x80-\xff\n\015()] *                            #     normal*
 2173 (?:  \\ [^\x80-\xff]   [^\\\x80-\xff\n\015()] * )*        #     (special normal*)*
 2174 \)                           #                       )
 2175 )    #         special
 2176 [^\\\x80-\xff\n\015()] *                         #         normal*
 2177 )*                                  #            )*
 2178 \)                             #                )
 2179 [\040\t]* )*    # If comment found, allow more spaces.
 2180 (?:
 2181 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+    # some number of atom characters...
 2182 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
 2183 |
 2184 \[                            # [
 2185 (?: [^\\\x80-\xff\n\015\[\]] |  \\ [^\x80-\xff]  )*     #    stuff
 2186 \]                           #           ]
 2187 )
 2188 [\040\t]*                    # Nab whitespace.
 2189 (?:
 2190 \(                              #  (
 2191 [^\\\x80-\xff\n\015()] *                             #     normal*
 2192 (?:                                 #       (
 2193 (?:  \\ [^\x80-\xff]  |
 2194 \(                            #  (
 2195 [^\\\x80-\xff\n\015()] *                            #     normal*
 2196 (?:  \\ [^\x80-\xff]   [^\\\x80-\xff\n\015()] * )*        #     (special normal*)*
 2197 \)                           #                       )
 2198 )    #         special
 2199 [^\\\x80-\xff\n\015()] *                         #         normal*
 2200 )*                                  #            )*
 2201 \)                             #                )
 2202 [\040\t]* )*    # If comment found, allow more spaces.
 2203 # optional trailing comments
 2204 (?:
 2205 \.
 2206 [\040\t]*                    # Nab whitespace.
 2207 (?:
 2208 \(                              #  (
 2209 [^\\\x80-\xff\n\015()] *                             #     normal*
 2210 (?:                                 #       (
 2211 (?:  \\ [^\x80-\xff]  |
 2212 \(                            #  (
 2213 [^\\\x80-\xff\n\015()] *                            #     normal*
 2214 (?:  \\ [^\x80-\xff]   [^\\\x80-\xff\n\015()] * )*        #     (special normal*)*
 2215 \)                           #                       )
 2216 )    #         special
 2217 [^\\\x80-\xff\n\015()] *                         #         normal*
 2218 )*                                  #            )*
 2219 \)                             #                )
 2220 [\040\t]* )*    # If comment found, allow more spaces.
 2221 (?:
 2222 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+    # some number of atom characters...
 2223 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
 2224 |
 2225 \[                            # [
 2226 (?: [^\\\x80-\xff\n\015\[\]] |  \\ [^\x80-\xff]  )*     #    stuff
 2227 \]                           #           ]
 2228 )
 2229 [\040\t]*                    # Nab whitespace.
 2230 (?:
 2231 \(                              #  (
 2232 [^\\\x80-\xff\n\015()] *                             #     normal*
 2233 (?:                                 #       (
 2234 (?:  \\ [^\x80-\xff]  |
 2235 \(                            #  (
 2236 [^\\\x80-\xff\n\015()] *                            #     normal*
 2237 (?:  \\ [^\x80-\xff]   [^\\\x80-\xff\n\015()] * )*        #     (special normal*)*
 2238 \)                           #                       )
 2239 )    #         special
 2240 [^\\\x80-\xff\n\015()] *                         #         normal*
 2241 )*                                  #            )*
 2242 \)                             #                )
 2243 [\040\t]* )*    # If comment found, allow more spaces.
 2244 # optional trailing comments
 2245 )*
 2246 # address
 2247 |                             #  or
 2248 (?:
 2249 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+    # some number of atom characters...
 2250 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
 2251 # Atom
 2252 |                       #  or
 2253 "                                     # "
 2254 [^\\\x80-\xff\n\015"] *                            #   normal
 2255 (?:  \\ [^\x80-\xff]  [^\\\x80-\xff\n\015"] * )*        #   ( special normal* )*
 2256 "                                     #        "
 2257 # Quoted string
 2258 )
 2259 # leading word
 2260 [^()<>@,;:".\\\[\]\x80-\xff\000-\010\012-\037] *               # "normal" atoms and or spaces
 2261 (?:
 2262 (?:
 2263 \(                              #  (
 2264 [^\\\x80-\xff\n\015()] *                             #     normal*
 2265 (?:                                 #       (
 2266 (?:  \\ [^\x80-\xff]  |
 2267 \(                            #  (
 2268 [^\\\x80-\xff\n\015()] *                            #     normal*
 2269 (?:  \\ [^\x80-\xff]   [^\\\x80-\xff\n\015()] * )*        #     (special normal*)*
 2270 \)                           #                       )
 2271 )    #         special
 2272 [^\\\x80-\xff\n\015()] *                         #         normal*
 2273 )*                                  #            )*
 2274 \)                             #                )
 2275 |
 2276 "                                     # "
 2277 [^\\\x80-\xff\n\015"] *                            #   normal
 2278 (?:  \\ [^\x80-\xff]  [^\\\x80-\xff\n\015"] * )*        #   ( special normal* )*
 2279 "                                     #        "
 2280 ) # "special" comment or quoted string
 2281 [^()<>@,;:".\\\[\]\x80-\xff\000-\010\012-\037] *            #  more "normal"
 2282 )*
 2283 <
 2284 [\040\t]*                    # Nab whitespace.
 2285 (?:
 2286 \(                              #  (
 2287 [^\\\x80-\xff\n\015()] *                             #     normal*
 2288 (?:                                 #       (
 2289 (?:  \\ [^\x80-\xff]  |
 2290 \(                            #  (
 2291 [^\\\x80-\xff\n\015()] *                            #     normal*
 2292 (?:  \\ [^\x80-\xff]   [^\\\x80-\xff\n\015()] * )*        #     (special normal*)*
 2293 \)                           #                       )
 2294 )    #         special
 2295 [^\\\x80-\xff\n\015()] *                         #         normal*
 2296 )*                                  #            )*
 2297 \)                             #                )
 2298 [\040\t]* )*    # If comment found, allow more spaces.
 2299 # <
 2300 (?:
 2301 @
 2302 [\040\t]*                    # Nab whitespace.
 2303 (?:
 2304 \(                              #  (
 2305 [^\\\x80-\xff\n\015()] *                             #     normal*
 2306 (?:                                 #       (
 2307 (?:  \\ [^\x80-\xff]  |
 2308 \(                            #  (
 2309 [^\\\x80-\xff\n\015()] *                            #     normal*
 2310 (?:  \\ [^\x80-\xff]   [^\\\x80-\xff\n\015()] * )*        #     (special normal*)*
 2311 \)                           #                       )
 2312 )    #         special
 2313 [^\\\x80-\xff\n\015()] *                         #         normal*
 2314 )*                                  #            )*
 2315 \)                             #                )
 2316 [\040\t]* )*    # If comment found, allow more spaces.
 2317 (?:
 2318 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+    # some number of atom characters...
 2319 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
 2320 |
 2321 \[                            # [
 2322 (?: [^\\\x80-\xff\n\015\[\]] |  \\ [^\x80-\xff]  )*     #    stuff
 2323 \]                           #           ]
 2324 )
 2325 [\040\t]*                    # Nab whitespace.
 2326 (?:
 2327 \(                              #  (
 2328 [^\\\x80-\xff\n\015()] *                             #     normal*
 2329 (?:                                 #       (
 2330 (?:  \\ [^\x80-\xff]  |
 2331 \(                            #  (
 2332 [^\\\x80-\xff\n\015()] *                            #     normal*
 2333 (?:  \\ [^\x80-\xff]   [^\\\x80-\xff\n\015()] * )*        #     (special normal*)*
 2334 \)                           #                       )
 2335 )    #         special
 2336 [^\\\x80-\xff\n\015()] *                         #         normal*
 2337 )*                                  #            )*
 2338 \)                             #                )
 2339 [\040\t]* )*    # If comment found, allow more spaces.
 2340 # optional trailing comments
 2341 (?:
 2342 \.
 2343 [\040\t]*                    # Nab whitespace.
 2344 (?:
 2345 \(                              #  (
 2346 [^\\\x80-\xff\n\015()] *                             #     normal*
 2347 (?:                                 #       (
 2348 (?:  \\ [^\x80-\xff]  |
 2349 \(                            #  (
 2350 [^\\\x80-\xff\n\015()] *                            #     normal*
 2351 (?:  \\ [^\x80-\xff]   [^\\\x80-\xff\n\015()] * )*        #     (special normal*)*
 2352 \)                           #                       )
 2353 )    #         special
 2354 [^\\\x80-\xff\n\015()] *                         #         normal*
 2355 )*                                  #            )*
 2356 \)                             #                )
 2357 [\040\t]* )*    # If comment found, allow more spaces.
 2358 (?:
 2359 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+    # some number of atom characters...
 2360 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
 2361 |
 2362 \[                            # [
 2363 (?: [^\\\x80-\xff\n\015\[\]] |  \\ [^\x80-\xff]  )*     #    stuff
 2364 \]                           #           ]
 2365 )
 2366 [\040\t]*                    # Nab whitespace.
 2367 (?:
 2368 \(                              #  (
 2369 [^\\\x80-\xff\n\015()] *                             #     normal*
 2370 (?:                                 #       (
 2371 (?:  \\ [^\x80-\xff]  |
 2372 \(                            #  (
 2373 [^\\\x80-\xff\n\015()] *                            #     normal*
 2374 (?:  \\ [^\x80-\xff]   [^\\\x80-\xff\n\015()] * )*        #     (special normal*)*
 2375 \)                           #                       )
 2376 )    #         special
 2377 [^\\\x80-\xff\n\015()] *                         #         normal*
 2378 )*                                  #            )*
 2379 \)                             #                )
 2380 [\040\t]* )*    # If comment found, allow more spaces.
 2381 # optional trailing comments
 2382 )*
 2383 (?: ,
 2384 [\040\t]*                    # Nab whitespace.
 2385 (?:
 2386 \(                              #  (
 2387 [^\\\x80-\xff\n\015()] *                             #     normal*
 2388 (?:                                 #       (
 2389 (?:  \\ [^\x80-\xff]  |
 2390 \(                            #  (
 2391 [^\\\x80-\xff\n\015()] *                            #     normal*
 2392 (?:  \\ [^\x80-\xff]   [^\\\x80-\xff\n\015()] * )*        #     (special normal*)*
 2393 \)                           #                       )
 2394 )    #         special
 2395 [^\\\x80-\xff\n\015()] *                         #         normal*
 2396 )*                                  #            )*
 2397 \)                             #                )
 2398 [\040\t]* )*    # If comment found, allow more spaces.
 2399 @
 2400 [\040\t]*                    # Nab whitespace.
 2401 (?:
 2402 \(                              #  (
 2403 [^\\\x80-\xff\n\015()] *                             #     normal*
 2404 (?:                                 #       (
 2405 (?:  \\ [^\x80-\xff]  |
 2406 \(                            #  (
 2407 [^\\\x80-\xff\n\015()] *                            #     normal*
 2408 (?:  \\ [^\x80-\xff]   [^\\\x80-\xff\n\015()] * )*        #     (special normal*)*
 2409 \)                           #                       )
 2410 )    #         special
 2411 [^\\\x80-\xff\n\015()] *                         #         normal*
 2412 )*                                  #            )*
 2413 \)                             #                )
 2414 [\040\t]* )*    # If comment found, allow more spaces.
 2415 (?:
 2416 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+    # some number of atom characters...
 2417 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
 2418 |
 2419 \[                            # [
 2420 (?: [^\\\x80-\xff\n\015\[\]] |  \\ [^\x80-\xff]  )*     #    stuff
 2421 \]                           #           ]
 2422 )
 2423 [\040\t]*                    # Nab whitespace.
 2424 (?:
 2425 \(                              #  (
 2426 [^\\\x80-\xff\n\015()] *                             #     normal*
 2427 (?:                                 #       (
 2428 (?:  \\ [^\x80-\xff]  |
 2429 \(                            #  (
 2430 [^\\\x80-\xff\n\015()] *                            #     normal*
 2431 (?:  \\ [^\x80-\xff]   [^\\\x80-\xff\n\015()] * )*        #     (special normal*)*
 2432 \)                           #                       )
 2433 )    #         special
 2434 [^\\\x80-\xff\n\015()] *                         #         normal*
 2435 )*                                  #            )*
 2436 \)                             #                )
 2437 [\040\t]* )*    # If comment found, allow more spaces.
 2438 # optional trailing comments
 2439 (?:
 2440 \.
 2441 [\040\t]*                    # Nab whitespace.
 2442 (?:
 2443 \(                              #  (
 2444 [^\\\x80-\xff\n\015()] *                             #     normal*
 2445 (?:                                 #       (
 2446 (?:  \\ [^\x80-\xff]  |
 2447 \(                            #  (
 2448 [^\\\x80-\xff\n\015()] *                            #     normal*
 2449 (?:  \\ [^\x80-\xff]   [^\\\x80-\xff\n\015()] * )*        #     (special normal*)*
 2450 \)                           #                       )
 2451 )    #         special
 2452 [^\\\x80-\xff\n\015()] *                         #         normal*
 2453 )*                                  #            )*
 2454 \)                             #                )
 2455 [\040\t]* )*    # If comment found, allow more spaces.
 2456 (?:
 2457 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+    # some number of atom characters...
 2458 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
 2459 |
 2460 \[                            # [
 2461 (?: [^\\\x80-\xff\n\015\[\]] |  \\ [^\x80-\xff]  )*     #    stuff
 2462 \]                           #           ]
 2463 )
 2464 [\040\t]*                    # Nab whitespace.
 2465 (?:
 2466 \(                              #  (
 2467 [^\\\x80-\xff\n\015()] *                             #     normal*
 2468 (?:                                 #       (
 2469 (?:  \\ [^\x80-\xff]  |
 2470 \(                            #  (
 2471 [^\\\x80-\xff\n\015()] *                            #     normal*
 2472 (?:  \\ [^\x80-\xff]   [^\\\x80-\xff\n\015()] * )*        #     (special normal*)*
 2473 \)                           #                       )
 2474 )    #         special
 2475 [^\\\x80-\xff\n\015()] *                         #         normal*
 2476 )*                                  #            )*
 2477 \)                             #                )
 2478 [\040\t]* )*    # If comment found, allow more spaces.
 2479 # optional trailing comments
 2480 )*
 2481 )*  # additional domains
 2482 :
 2483 [\040\t]*                    # Nab whitespace.
 2484 (?:
 2485 \(                              #  (
 2486 [^\\\x80-\xff\n\015()] *                             #     normal*
 2487 (?:                                 #       (
 2488 (?:  \\ [^\x80-\xff]  |
 2489 \(                            #  (
 2490 [^\\\x80-\xff\n\015()] *                            #     normal*
 2491 (?:  \\ [^\x80-\xff]   [^\\\x80-\xff\n\015()] * )*        #     (special normal*)*
 2492 \)                           #                       )
 2493 )    #         special
 2494 [^\\\x80-\xff\n\015()] *                         #         normal*
 2495 )*                                  #            )*
 2496 \)                             #                )
 2497 [\040\t]* )*    # If comment found, allow more spaces.
 2498 # optional trailing comments
 2499 )?     #       optional route
 2500 (?:
 2501 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+    # some number of atom characters...
 2502 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
 2503 # Atom
 2504 |                       #  or
 2505 "                                     # "
 2506 [^\\\x80-\xff\n\015"] *                            #   normal
 2507 (?:  \\ [^\x80-\xff]  [^\\\x80-\xff\n\015"] * )*        #   ( special normal* )*
 2508 "                                     #        "
 2509 # Quoted string
 2510 )
 2511 [\040\t]*                    # Nab whitespace.
 2512 (?:
 2513 \(                              #  (
 2514 [^\\\x80-\xff\n\015()] *                             #     normal*
 2515 (?:                                 #       (
 2516 (?:  \\ [^\x80-\xff]  |
 2517 \(                            #  (
 2518 [^\\\x80-\xff\n\015()] *                            #     normal*
 2519 (?:  \\ [^\x80-\xff]   [^\\\x80-\xff\n\015()] * )*        #     (special normal*)*
 2520 \)                           #                       )
 2521 )    #         special
 2522 [^\\\x80-\xff\n\015()] *                         #         normal*
 2523 )*                                  #            )*
 2524 \)                             #                )
 2525 [\040\t]* )*    # If comment found, allow more spaces.
 2526 (?:
 2527 \.
 2528 [\040\t]*                    # Nab whitespace.
 2529 (?:
 2530 \(                              #  (
 2531 [^\\\x80-\xff\n\015()] *                             #     normal*
 2532 (?:                                 #       (
 2533 (?:  \\ [^\x80-\xff]  |
 2534 \(                            #  (
 2535 [^\\\x80-\xff\n\015()] *                            #     normal*
 2536 (?:  \\ [^\x80-\xff]   [^\\\x80-\xff\n\015()] * )*        #     (special normal*)*
 2537 \)                           #                       )
 2538 )    #         special
 2539 [^\\\x80-\xff\n\015()] *                         #         normal*
 2540 )*                                  #            )*
 2541 \)                             #                )
 2542 [\040\t]* )*    # If comment found, allow more spaces.
 2543 (?:
 2544 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+    # some number of atom characters...
 2545 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
 2546 # Atom
 2547 |                       #  or
 2548 "                                     # "
 2549 [^\\\x80-\xff\n\015"] *                            #   normal
 2550 (?:  \\ [^\x80-\xff]  [^\\\x80-\xff\n\015"] * )*        #   ( special normal* )*
 2551 "                                     #        "
 2552 # Quoted string
 2553 )
 2554 [\040\t]*                    # Nab whitespace.
 2555 (?:
 2556 \(                              #  (
 2557 [^\\\x80-\xff\n\015()] *                             #     normal*
 2558 (?:                                 #       (
 2559 (?:  \\ [^\x80-\xff]  |
 2560 \(                            #  (
 2561 [^\\\x80-\xff\n\015()] *                            #     normal*
 2562 (?:  \\ [^\x80-\xff]   [^\\\x80-\xff\n\015()] * )*        #     (special normal*)*
 2563 \)                           #                       )
 2564 )    #         special
 2565 [^\\\x80-\xff\n\015()] *                         #         normal*
 2566 )*                                  #            )*
 2567 \)                             #                )
 2568 [\040\t]* )*    # If comment found, allow more spaces.
 2569 # additional words
 2570 )*
 2571 @
 2572 [\040\t]*                    # Nab whitespace.
 2573 (?:
 2574 \(                              #  (
 2575 [^\\\x80-\xff\n\015()] *                             #     normal*
 2576 (?:                                 #       (
 2577 (?:  \\ [^\x80-\xff]  |
 2578 \(                            #  (
 2579 [^\\\x80-\xff\n\015()] *                            #     normal*
 2580 (?:  \\ [^\x80-\xff]   [^\\\x80-\xff\n\015()] * )*        #     (special normal*)*
 2581 \)                           #                       )
 2582 )    #         special
 2583 [^\\\x80-\xff\n\015()] *                         #         normal*
 2584 )*                                  #            )*
 2585 \)                             #                )
 2586 [\040\t]* )*    # If comment found, allow more spaces.
 2587 (?:
 2588 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+    # some number of atom characters...
 2589 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
 2590 |
 2591 \[                            # [
 2592 (?: [^\\\x80-\xff\n\015\[\]] |  \\ [^\x80-\xff]  )*     #    stuff
 2593 \]                           #           ]
 2594 )
 2595 [\040\t]*                    # Nab whitespace.
 2596 (?:
 2597 \(                              #  (
 2598 [^\\\x80-\xff\n\015()] *                             #     normal*
 2599 (?:                                 #       (
 2600 (?:  \\ [^\x80-\xff]  |
 2601 \(                            #  (
 2602 [^\\\x80-\xff\n\015()] *                            #     normal*
 2603 (?:  \\ [^\x80-\xff]   [^\\\x80-\xff\n\015()] * )*        #     (special normal*)*
 2604 \)                           #                       )
 2605 )    #         special
 2606 [^\\\x80-\xff\n\015()] *                         #         normal*
 2607 )*                                  #            )*
 2608 \)                             #                )
 2609 [\040\t]* )*    # If comment found, allow more spaces.
 2610 # optional trailing comments
 2611 (?:
 2612 \.
 2613 [\040\t]*                    # Nab whitespace.
 2614 (?:
 2615 \(                              #  (
 2616 [^\\\x80-\xff\n\015()] *                             #     normal*
 2617 (?:                                 #       (
 2618 (?:  \\ [^\x80-\xff]  |
 2619 \(                            #  (
 2620 [^\\\x80-\xff\n\015()] *                            #     normal*
 2621 (?:  \\ [^\x80-\xff]   [^\\\x80-\xff\n\015()] * )*        #     (special normal*)*
 2622 \)                           #                       )
 2623 )    #         special
 2624 [^\\\x80-\xff\n\015()] *                         #         normal*
 2625 )*                                  #            )*
 2626 \)                             #                )
 2627 [\040\t]* )*    # If comment found, allow more spaces.
 2628 (?:
 2629 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+    # some number of atom characters...
 2630 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
 2631 |
 2632 \[                            # [
 2633 (?: [^\\\x80-\xff\n\015\[\]] |  \\ [^\x80-\xff]  )*     #    stuff
 2634 \]                           #           ]
 2635 )
 2636 [\040\t]*                    # Nab whitespace.
 2637 (?:
 2638 \(                              #  (
 2639 [^\\\x80-\xff\n\015()] *                             #     normal*
 2640 (?:                                 #       (
 2641 (?:  \\ [^\x80-\xff]  |
 2642 \(                            #  (
 2643 [^\\\x80-\xff\n\015()] *                            #     normal*
 2644 (?:  \\ [^\x80-\xff]   [^\\\x80-\xff\n\015()] * )*        #     (special normal*)*
 2645 \)                           #                       )
 2646 )    #         special
 2647 [^\\\x80-\xff\n\015()] *                         #         normal*
 2648 )*                                  #            )*
 2649 \)                             #                )
 2650 [\040\t]* )*    # If comment found, allow more spaces.
 2651 # optional trailing comments
 2652 )*
 2653 #       address spec
 2654 >                    #                 >
 2655 # name and address
 2656 )
 2657 /x
 2658     Alan Other <user\@dom.ain>
 2659  0: Alan Other <user@dom.ain>
 2660     <user\@dom.ain>
 2661  0: user@dom.ain
 2662  1: user@dom
 2663     user\@dom.ain
 2664  0: user@dom.ain
 2665  1: user@dom
 2666     \"A. Other\" <user.1234\@dom.ain> (a comment)
 2667  0: "A. Other" <user.1234@dom.ain>
 2668     A. Other <user.1234\@dom.ain> (a comment)
 2669  0:  Other <user.1234@dom.ain>
 2670     \"/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/\"\@x400-re.lay
 2671  0: "/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/"@x400-re.lay
 2672  1: "/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/"@x400-re
 2673     A missing angle <user\@some.where
 2674  0: user@some.where
 2675  1: user@some
 2676     *** Failers
 2677 No match
 2678     The quick brown fox
 2679 No match
 2680 
 2681 /abc\0def\00pqr\000xyz\0000AB/
 2682     abc\0def\00pqr\000xyz\0000AB
 2683  0: abc\x00def\x00pqr\x00xyz\x000AB
 2684     abc456 abc\0def\00pqr\000xyz\0000ABCDE
 2685  0: abc\x00def\x00pqr\x00xyz\x000AB
 2686 
 2687 /abc\x0def\x00pqr\x000xyz\x0000AB/
 2688     abc\x0def\x00pqr\x000xyz\x0000AB
 2689  0: abc\x0def\x00pqr\x000xyz\x0000AB
 2690     abc456 abc\x0def\x00pqr\x000xyz\x0000ABCDE
 2691  0: abc\x0def\x00pqr\x000xyz\x0000AB
 2692 
 2693 /^[\000-\037]/
 2694     \0A
 2695  0: \x00
 2696     \01B
 2697  0: \x01
 2698     \037C
 2699  0: \x1f
 2700 
 2701 /\0*/
 2702     \0\0\0\0
 2703  0: \x00\x00\x00\x00
 2704  1: \x00\x00\x00
 2705  2: \x00\x00
 2706  3: \x00
 2707  4: 
 2708 
 2709 /A\x0{2,3}Z/
 2710     The A\x0\x0Z
 2711  0: A\x00\x00Z
 2712     An A\0\x0\0Z
 2713  0: A\x00\x00\x00Z
 2714     *** Failers
 2715 No match
 2716     A\0Z
 2717 No match
 2718     A\0\x0\0\x0Z
 2719 No match
 2720 
 2721 /^\s/
 2722     \040abc
 2723  0:  
 2724     \x0cabc
 2725  0: \x0c
 2726     \nabc
 2727  0: \x0a
 2728     \rabc
 2729  0: \x0d
 2730     \tabc
 2731  0: \x09
 2732     *** Failers
 2733 No match
 2734     abc
 2735 No match
 2736 
 2737 /^a	b
 2738       c/x
 2739     abc
 2740  0: abc
 2741 
 2742 /ab{1,3}bc/
 2743     abbbbc
 2744  0: abbbbc
 2745     abbbc
 2746  0: abbbc
 2747     abbc
 2748  0: abbc
 2749     *** Failers
 2750 No match
 2751     abc
 2752 No match
 2753     abbbbbc
 2754 No match
 2755 
 2756 /([^.]*)\.([^:]*):[T ]+(.*)/
 2757     track1.title:TBlah blah blah
 2758  0: track1.title:TBlah blah blah
 2759  1: track1.title:TBlah blah bla
 2760  2: track1.title:TBlah blah bl
 2761  3: track1.title:TBlah blah b
 2762  4: track1.title:TBlah blah 
 2763  5: track1.title:TBlah blah
 2764  6: track1.title:TBlah bla
 2765  7: track1.title:TBlah bl
 2766  8: track1.title:TBlah b
 2767  9: track1.title:TBlah 
 2768 10: track1.title:TBlah
 2769 11: track1.title:TBla
 2770 12: track1.title:TBl
 2771 13: track1.title:TB
 2772 14: track1.title:T
 2773 
 2774 /([^.]*)\.([^:]*):[T ]+(.*)/i
 2775     track1.title:TBlah blah blah
 2776  0: track1.title:TBlah blah blah
 2777  1: track1.title:TBlah blah bla
 2778  2: track1.title:TBlah blah bl
 2779  3: track1.title:TBlah blah b
 2780  4: track1.title:TBlah blah 
 2781  5: track1.title:TBlah blah
 2782  6: track1.title:TBlah bla
 2783  7: track1.title:TBlah bl
 2784  8: track1.title:TBlah b
 2785  9: track1.title:TBlah 
 2786 10: track1.title:TBlah
 2787 11: track1.title:TBla
 2788 12: track1.title:TBl
 2789 13: track1.title:TB
 2790 14: track1.title:T
 2791 
 2792 /([^.]*)\.([^:]*):[t ]+(.*)/i
 2793     track1.title:TBlah blah blah
 2794  0: track1.title:TBlah blah blah
 2795  1: track1.title:TBlah blah bla
 2796  2: track1.title:TBlah blah bl
 2797  3: track1.title:TBlah blah b
 2798  4: track1.title:TBlah blah 
 2799  5: track1.title:TBlah blah
 2800  6: track1.title:TBlah bla
 2801  7: track1.title:TBlah bl
 2802  8: track1.title:TBlah b
 2803  9: track1.title:TBlah 
 2804 10: track1.title:TBlah
 2805 11: track1.title:TBla
 2806 12: track1.title:TBl
 2807 13: track1.title:TB
 2808 14: track1.title:T
 2809 
 2810 /^[W-c]+$/
 2811     WXY_^abc
 2812  0: WXY_^abc
 2813     *** Failers
 2814 No match
 2815     wxy
 2816 No match
 2817 
 2818 /^[W-c]+$/i
 2819     WXY_^abc
 2820  0: WXY_^abc
 2821     wxy_^ABC
 2822  0: wxy_^ABC
 2823 
 2824 /^[\x3f-\x5F]+$/i
 2825     WXY_^abc
 2826  0: WXY_^abc
 2827     wxy_^ABC
 2828  0: wxy_^ABC
 2829 
 2830 /^abc$/m
 2831     abc
 2832  0: abc
 2833     qqq\nabc
 2834  0: abc
 2835     abc\nzzz
 2836  0: abc
 2837     qqq\nabc\nzzz
 2838  0: abc
 2839 
 2840 /^abc$/
 2841     abc
 2842  0: abc
 2843     *** Failers
 2844 No match
 2845     qqq\nabc
 2846 No match
 2847     abc\nzzz
 2848 No match
 2849     qqq\nabc\nzzz
 2850 No match
 2851 
 2852 /\Aabc\Z/m
 2853     abc
 2854  0: abc
 2855     abc\n 
 2856  0: abc
 2857     *** Failers
 2858 No match
 2859     qqq\nabc
 2860 No match
 2861     abc\nzzz
 2862 No match
 2863     qqq\nabc\nzzz
 2864 No match
 2865     
 2866 /\A(.)*\Z/s
 2867     abc\ndef
 2868  0: abc\x0adef
 2869 
 2870 /\A(.)*\Z/m
 2871     *** Failers
 2872  0: *** Failers
 2873     abc\ndef
 2874 No match
 2875 
 2876 /(?:b)|(?::+)/
 2877     b::c
 2878  0: b
 2879     c::b
 2880  0: ::
 2881  1: :
 2882 
 2883 /[-az]+/
 2884     az-
 2885  0: az-
 2886  1: az
 2887  2: a
 2888     *** Failers
 2889  0: a
 2890     b
 2891 No match
 2892 
 2893 /[az-]+/
 2894     za-
 2895  0: za-
 2896  1: za
 2897  2: z
 2898     *** Failers
 2899  0: a
 2900     b
 2901 No match
 2902 
 2903 /[a\-z]+/
 2904     a-z
 2905  0: a-z
 2906  1: a-
 2907  2: a
 2908     *** Failers
 2909  0: a
 2910     b
 2911 No match
 2912 
 2913 /[a-z]+/
 2914     abcdxyz
 2915  0: abcdxyz
 2916  1: abcdxy
 2917  2: abcdx
 2918  3: abcd
 2919  4: abc
 2920  5: ab
 2921  6: a
 2922 
 2923 /[\d-]+/
 2924     12-34
 2925  0: 12-34
 2926  1: 12-3
 2927  2: 12-
 2928  3: 12
 2929  4: 1
 2930     *** Failers
 2931 No match
 2932     aaa
 2933 No match
 2934 
 2935 /[\d-z]+/
 2936     12-34z
 2937  0: 12-34z
 2938  1: 12-34
 2939  2: 12-3
 2940  3: 12-
 2941  4: 12
 2942  5: 1
 2943     *** Failers
 2944 No match
 2945     aaa
 2946 No match
 2947 
 2948 /\x5c/
 2949     \\
 2950  0: \
 2951 
 2952 /\x20Z/
 2953     the Zoo
 2954  0:  Z
 2955     *** Failers
 2956 No match
 2957     Zulu
 2958 No match
 2959 
 2960 /ab{3cd/
 2961     ab{3cd
 2962  0: ab{3cd
 2963 
 2964 /ab{3,cd/
 2965     ab{3,cd
 2966  0: ab{3,cd
 2967 
 2968 /ab{3,4a}cd/
 2969     ab{3,4a}cd
 2970  0: ab{3,4a}cd
 2971 
 2972 /{4,5a}bc/
 2973     {4,5a}bc
 2974  0: {4,5a}bc
 2975 
 2976 /^a.b/<lf>
 2977     a\rb
 2978  0: a\x0db
 2979     *** Failers
 2980 No match
 2981     a\nb
 2982 No match
 2983 
 2984 /abc$/
 2985     abc
 2986  0: abc
 2987     abc\n
 2988  0: abc
 2989     *** Failers
 2990 No match
 2991     abc\ndef
 2992 No match
 2993 
 2994 /(abc)\123/
 2995     abc\x53
 2996  0: abcS
 2997 
 2998 /(abc)\223/
 2999     abc\x93
 3000  0: abc\x93
 3001 
 3002 /(abc)\323/
 3003     abc\xd3
 3004  0: abc\xd3
 3005 
 3006 /(abc)\100/
 3007     abc\x40
 3008  0: abc@
 3009     abc\100
 3010  0: abc@
 3011 
 3012 /(abc)\1000/
 3013     abc\x400
 3014  0: abc@0
 3015     abc\x40\x30
 3016  0: abc@0
 3017     abc\1000
 3018  0: abc@0
 3019     abc\100\x30
 3020  0: abc@0
 3021     abc\100\060
 3022  0: abc@0
 3023     abc\100\60
 3024  0: abc@0
 3025 
 3026 /abc\81/
 3027     abc\081
 3028  0: abc\x0081
 3029     abc\0\x38\x31
 3030  0: abc\x0081
 3031 
 3032 /abc\91/
 3033     abc\091
 3034  0: abc\x0091
 3035     abc\0\x39\x31
 3036  0: abc\x0091
 3037 
 3038 /(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)\12\123/
 3039     abcdefghijk\12S
 3040  0: abcdefghijk\x0aS
 3041 
 3042 /ab\hdef/
 3043     abhdef
 3044  0: abhdef
 3045 
 3046 /a{0}bc/
 3047     bc
 3048  0: bc
 3049 
 3050 /(a|(bc)){0,0}?xyz/
 3051     xyz
 3052  0: xyz
 3053 
 3054 /abc[\10]de/
 3055     abc\010de
 3056  0: abc\x08de
 3057 
 3058 /abc[\1]de/
 3059     abc\1de
 3060  0: abc\x01de
 3061 
 3062 /(abc)[\1]de/
 3063     abc\1de
 3064  0: abc\x01de
 3065 
 3066 /(?s)a.b/
 3067     a\nb
 3068  0: a\x0ab
 3069 
 3070 /^([^a])([^\b])([^c]*)([^d]{3,4})/
 3071     baNOTccccd
 3072  0: baNOTcccc
 3073  1: baNOTccc
 3074  2: baNOTcc
 3075  3: baNOTc
 3076  4: baNOT
 3077     baNOTcccd
 3078  0: baNOTccc
 3079  1: baNOTcc
 3080  2: baNOTc
 3081  3: baNOT
 3082     baNOTccd
 3083  0: baNOTcc
 3084  1: baNOTc
 3085  2: baNOT
 3086     bacccd
 3087  0: baccc
 3088     *** Failers
 3089  0: *** Failers
 3090  1: *** Failer
 3091  2: *** Faile
 3092  3: *** Fail
 3093  4: *** Fai
 3094  5: *** Fa
 3095  6: *** F
 3096     anything
 3097 No match
 3098     b\bc   
 3099 No match
 3100     baccd
 3101 No match
 3102 
 3103 /[^a]/
 3104     Abc
 3105  0: A
 3106   
 3107 /[^a]/i
 3108     Abc 
 3109  0: b
 3110 
 3111 /[^a]+/
 3112     AAAaAbc
 3113  0: AAA
 3114  1: AA
 3115  2: A
 3116   
 3117 /[^a]+/i
 3118     AAAaAbc 
 3119  0: bc
 3120  1: b
 3121 
 3122 /[^a]+/
 3123     bbb\nccc
 3124  0: bbb\x0accc
 3125  1: bbb\x0acc
 3126  2: bbb\x0ac
 3127  3: bbb\x0a
 3128  4: bbb
 3129  5: bb
 3130  6: b
 3131    
 3132 /[^k]$/
 3133     abc
 3134  0: c
 3135     *** Failers
 3136  0: s
 3137     abk   
 3138 No match
 3139    
 3140 /[^k]{2,3}$/
 3141     abc
 3142  0: abc
 3143     kbc
 3144  0: bc
 3145     kabc 
 3146  0: abc
 3147     *** Failers
 3148  0: ers
 3149     abk
 3150 No match
 3151     akb
 3152 No match
 3153     akk 
 3154 No match
 3155 
 3156 /^\d{8,}\@.+[^k]$/
 3157     12345678\@a.b.c.d
 3158  0: 12345678@a.b.c.d
 3159     123456789\@x.y.z
 3160  0: 123456789@x.y.z
 3161     *** Failers
 3162 No match
 3163     12345678\@x.y.uk
 3164 No match
 3165     1234567\@a.b.c.d       
 3166 No match
 3167 
 3168 /[^a]/
 3169     aaaabcd
 3170  0: b
 3171     aaAabcd 
 3172  0: A
 3173 
 3174 /[^a]/i
 3175     aaaabcd
 3176  0: b
 3177     aaAabcd 
 3178  0: b
 3179 
 3180 /[^az]/
 3181     aaaabcd
 3182  0: b
 3183     aaAabcd 
 3184  0: A
 3185 
 3186 /[^az]/i
 3187     aaaabcd
 3188  0: b
 3189     aaAabcd 
 3190  0: b
 3191 
 3192 /\000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037\040\041\042\043\044\045\046\047\050\051\052\053\054\055\056\057\060\061\062\063\064\065\066\067\070\071\072\073\074\075\076\077\100\101\102\103\104\105\106\107\110\111\112\113\114\115\116\117\120\121\122\123\124\125\126\127\130\131\132\133\134\135\136\137\140\141\142\143\144\145\146\147\150\151\152\153\154\155\156\157\160\161\162\163\164\165\166\167\170\171\172\173\174\175\176\177\200\201\202\203\204\205\206\207\210\211\212\213\214\215\216\217\220\221\222\223\224\225\226\227\230\231\232\233\234\235\236\237\240\241\242\243\244\245\246\247\250\251\252\253\254\255\256\257\260\261\262\263\264\265\266\267\270\271\272\273\274\275\276\277\300\301\302\303\304\305\306\307\310\311\312\313\314\315\316\317\320\321\322\323\324\325\326\327\330\331\332\333\334\335\336\337\340\341\342\343\344\345\346\347\350\351\352\353\354\355\356\357\360\361\362\363\364\365\366\367\370\371\372\373\374\375\376\377/
 3193  \000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037\040\041\042\043\044\045\046\047\050\051\052\053\054\055\056\057\060\061\062\063\064\065\066\067\070\071\072\073\074\075\076\077\100\101\102\103\104\105\106\107\110\111\112\113\114\115\116\117\120\121\122\123\124\125\126\127\130\131\132\133\134\135\136\137\140\141\142\143\144\145\146\147\150\151\152\153\154\155\156\157\160\161\162\163\164\165\166\167\170\171\172\173\174\175\176\177\200\201\202\203\204\205\206\207\210\211\212\213\214\215\216\217\220\221\222\223\224\225\226\227\230\231\232\233\234\235\236\237\240\241\242\243\244\245\246\247\250\251\252\253\254\255\256\257\260\261\262\263\264\265\266\267\270\271\272\273\274\275\276\277\300\301\302\303\304\305\306\307\310\311\312\313\314\315\316\317\320\321\322\323\324\325\326\327\330\331\332\333\334\335\336\337\340\341\342\343\344\345\346\347\350\351\352\353\354\355\356\357\360\361\362\363\364\365\366\367\370\371\372\373\374\375\376\377
 3194  0: \x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~\x7f\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff
 3195 
 3196 /P[^*]TAIRE[^*]{1,6}?LL/
 3197     xxxxxxxxxxxPSTAIREISLLxxxxxxxxx
 3198  0: PSTAIREISLL
 3199 
 3200 /P[^*]TAIRE[^*]{1,}?LL/
 3201     xxxxxxxxxxxPSTAIREISLLxxxxxxxxx
 3202  0: PSTAIREISLL
 3203 
 3204 /(\.\d\d[1-9]?)\d+/
 3205     1.230003938
 3206  0: .230003938
 3207  1: .23000393
 3208  2: .2300039
 3209  3: .230003
 3210  4: .23000
 3211  5: .2300
 3212  6: .230
 3213     1.875000282   
 3214  0: .875000282
 3215  1: .87500028
 3216  2: .8750002
 3217  3: .875000
 3218  4: .87500
 3219  5: .8750
 3220  6: .875
 3221     1.235  
 3222  0: .235
 3223                   
 3224 /(\.\d\d((?=0)|\d(?=\d)))/
 3225     1.230003938      
 3226  0: .230
 3227  1: .23
 3228     1.875000282
 3229  0: .875
 3230     *** Failers 
 3231 No match
 3232     1.235 
 3233 No match
 3234     
 3235 /a(?)b/
 3236     ab 
 3237  0: ab
 3238  
 3239 /\b(foo)\s+(\w+)/i
 3240     Food is on the foo table
 3241  0: foo table
 3242  1: foo tabl
 3243  2: foo tab
 3244  3: foo ta
 3245  4: foo t
 3246     
 3247 /foo(.*)bar/
 3248     The food is under the bar in the barn.
 3249  0: food is under the bar in the bar
 3250  1: food is under the bar
 3251     
 3252 /foo(.*?)bar/  
 3253     The food is under the bar in the barn.
 3254  0: food is under the bar in the bar
 3255  1: food is under the bar
 3256 
 3257 /(.*)(\d*)/
 3258     I have 2 numbers: 53147
 3259 Matched, but too many subsidiary matches
 3260  0: I have 2 numbers: 53147
 3261  1: I have 2 numbers: 5314
 3262  2: I have 2 numbers: 531
 3263  3: I have 2 numbers: 53
 3264  4: I have 2 numbers: 5
 3265  5: I have 2 numbers: 
 3266  6: I have 2 numbers:
 3267  7: I have 2 numbers
 3268  8: I have 2 number
 3269  9: I have 2 numbe
 3270 10: I have 2 numb
 3271 11: I have 2 num
 3272 12: I have 2 nu
 3273 13: I have 2 n
 3274 14: I have 2 
 3275 15: I have 2
 3276 16: I have 
 3277 17: I have
 3278 18: I hav
 3279 19: I ha
 3280 20: I h
 3281 21: I 
 3282     
 3283 /(.*)(\d+)/
 3284     I have 2 numbers: 53147
 3285  0: I have 2 numbers: 53147
 3286  1: I have 2 numbers: 5314
 3287  2: I have 2 numbers: 531
 3288  3: I have 2 numbers: 53
 3289  4: I have 2 numbers: 5
 3290  5: I have 2
 3291  
 3292 /(.*?)(\d*)/
 3293     I have 2 numbers: 53147
 3294 Matched, but too many subsidiary matches
 3295  0: I have 2 numbers: 53147
 3296  1: I have 2 numbers: 5314
 3297  2: I have 2 numbers: 531
 3298  3: I have 2 numbers: 53
 3299  4: I have 2 numbers: 5
 3300  5: I have 2 numbers: 
 3301  6: I have 2 numbers:
 3302  7: I have 2 numbers
 3303  8: I have 2 number
 3304  9: I have 2 numbe
 3305 10: I have 2 numb
 3306 11: I have 2 num
 3307 12: I have 2 nu
 3308 13: I have 2 n
 3309 14: I have 2 
 3310 15: I have 2
 3311 16: I have 
 3312 17: I have
 3313 18: I hav
 3314 19: I ha
 3315 20: I h
 3316 21: I 
 3317 
 3318 /(.*?)(\d+)/
 3319     I have 2 numbers: 53147
 3320  0: I have 2 numbers: 53147
 3321  1: I have 2 numbers: 5314
 3322  2: I have 2 numbers: 531
 3323  3: I have 2 numbers: 53
 3324  4: I have 2 numbers: 5
 3325  5: I have 2
 3326 
 3327 /(.*)(\d+)$/
 3328     I have 2 numbers: 53147
 3329  0: I have 2 numbers: 53147
 3330 
 3331 /(.*?)(\d+)$/
 3332     I have 2 numbers: 53147
 3333  0: I have 2 numbers: 53147
 3334 
 3335 /(.*)\b(\d+)$/
 3336     I have 2 numbers: 53147
 3337  0: I have 2 numbers: 53147
 3338 
 3339 /(.*\D)(\d+)$/
 3340     I have 2 numbers: 53147
 3341  0: I have 2 numbers: 53147
 3342 
 3343 /^\D*(?!123)/
 3344     ABC123
 3345  0: AB
 3346  1: A
 3347  2: 
 3348      
 3349 /^(\D*)(?=\d)(?!123)/
 3350     ABC445
 3351  0: ABC
 3352     *** Failers
 3353 No match
 3354     ABC123
 3355 No match
 3356     
 3357 /^[W-]46]/
 3358     W46]789 
 3359  0: W46]
 3360     -46]789
 3361  0: -46]
 3362     *** Failers
 3363 No match
 3364     Wall
 3365 No match
 3366     Zebra
 3367 No match
 3368     42
 3369 No match
 3370     [abcd] 
 3371 No match
 3372     ]abcd[
 3373 No match
 3374        
 3375 /^[W-\]46]/
 3376     W46]789 
 3377  0: W
 3378     Wall
 3379  0: W
 3380     Zebra
 3381  0: Z
 3382     Xylophone  
 3383  0: X
 3384     42
 3385  0: 4
 3386     [abcd] 
 3387  0: [
 3388     ]abcd[
 3389  0: ]
 3390     \\backslash 
 3391  0: \
 3392     *** Failers
 3393 No match
 3394     -46]789
 3395 No match
 3396     well
 3397 No match
 3398     
 3399 /\d\d\/\d\d\/\d\d\d\d/
 3400     01/01/2000
 3401  0: 01/01/2000
 3402 
 3403 /word (?:[a-zA-Z0-9]+ ){0,10}otherword/
 3404   word cat dog elephant mussel cow horse canary baboon snake shark otherword
 3405  0: word cat dog elephant mussel cow horse canary baboon snake shark otherword
 3406   word cat dog elephant mussel cow horse canary baboon snake shark
 3407 No match
 3408 
 3409 /word (?:[a-zA-Z0-9]+ ){0,300}otherword/
 3410   word cat dog elephant mussel cow horse canary baboon snake shark the quick brown fox and the lazy dog and several other words getting close to thirty by now I hope
 3411 No match
 3412 
 3413 /^(a){0,0}/
 3414     bcd
 3415  0: 
 3416     abc
 3417  0: 
 3418     aab     
 3419  0: 
 3420 
 3421 /^(a){0,1}/
 3422     bcd
 3423  0: 
 3424     abc
 3425  0: a
 3426  1: 
 3427     aab  
 3428  0: a
 3429  1: 
 3430 
 3431 /^(a){0,2}/
 3432     bcd
 3433  0: 
 3434     abc
 3435  0: a
 3436  1: 
 3437     aab  
 3438  0: aa
 3439  1: a
 3440  2: 
 3441 
 3442 /^(a){0,3}/
 3443     bcd
 3444  0: 
 3445     abc
 3446  0: a
 3447  1: 
 3448     aab
 3449  0: aa
 3450  1: a
 3451  2: 
 3452     aaa   
 3453  0: aaa
 3454  1: aa
 3455  2: a
 3456  3: 
 3457 
 3458 /^(a){0,}/
 3459     bcd
 3460  0: 
 3461     abc
 3462  0: a
 3463  1: 
 3464     aab
 3465  0: aa
 3466  1: a
 3467  2: 
 3468     aaa
 3469  0: aaa
 3470  1: aa
 3471  2: a
 3472  3: 
 3473     aaaaaaaa    
 3474  0: aaaaaaaa
 3475  1: aaaaaaa
 3476  2: aaaaaa
 3477  3: aaaaa
 3478  4: aaaa
 3479  5: aaa
 3480  6: aa
 3481  7: a
 3482  8: 
 3483 
 3484 /^(a){1,1}/
 3485     bcd
 3486 No match
 3487     abc
 3488  0: a
 3489     aab  
 3490  0: a
 3491 
 3492 /^(a){1,2}/
 3493     bcd
 3494 No match
 3495     abc
 3496  0: a
 3497     aab  
 3498  0: aa
 3499  1: a
 3500 
 3501 /^(a){1,3}/
 3502     bcd
 3503 No match
 3504     abc
 3505  0: a
 3506     aab
 3507  0: aa
 3508  1: a
 3509     aaa   
 3510  0: aaa
 3511  1: aa
 3512  2: a
 3513 
 3514 /^(a){1,}/
 3515     bcd
 3516 No match
 3517     abc
 3518  0: a
 3519     aab
 3520  0: aa
 3521  1: a
 3522     aaa
 3523  0: aaa
 3524  1: aa
 3525  2: a
 3526     aaaaaaaa    
 3527  0: aaaaaaaa
 3528  1: aaaaaaa
 3529  2: aaaaaa
 3530  3: aaaaa
 3531  4: aaaa
 3532  5: aaa
 3533  6: aa
 3534  7: a
 3535 
 3536 /.*\.gif/
 3537     borfle\nbib.gif\nno
 3538  0: bib.gif
 3539 
 3540 /.{0,}\.gif/
 3541     borfle\nbib.gif\nno
 3542  0: bib.gif
 3543 
 3544 /.*\.gif/m
 3545     borfle\nbib.gif\nno
 3546  0: bib.gif
 3547 
 3548 /.*\.gif/s
 3549     borfle\nbib.gif\nno
 3550  0: borfle\x0abib.gif
 3551 
 3552 /.*\.gif/ms
 3553     borfle\nbib.gif\nno
 3554  0: borfle\x0abib.gif
 3555     
 3556 /.*$/
 3557     borfle\nbib.gif\nno
 3558  0: no
 3559 
 3560 /.*$/m
 3561     borfle\nbib.gif\nno
 3562  0: borfle
 3563 
 3564 /.*$/s
 3565     borfle\nbib.gif\nno
 3566  0: borfle\x0abib.gif\x0ano
 3567 
 3568 /.*$/ms
 3569     borfle\nbib.gif\nno
 3570  0: borfle\x0abib.gif\x0ano
 3571  1: borfle\x0abib.gif
 3572  2: borfle
 3573     
 3574 /.*$/
 3575     borfle\nbib.gif\nno\n
 3576  0: no
 3577 
 3578 /.*$/m
 3579     borfle\nbib.gif\nno\n
 3580  0: borfle
 3581 
 3582 /.*$/s
 3583     borfle\nbib.gif\nno\n
 3584  0: borfle\x0abib.gif\x0ano\x0a
 3585  1: borfle\x0abib.gif\x0ano
 3586 
 3587 /.*$/ms
 3588     borfle\nbib.gif\nno\n
 3589  0: borfle\x0abib.gif\x0ano\x0a
 3590  1: borfle\x0abib.gif\x0ano
 3591  2: borfle\x0abib.gif
 3592  3: borfle
 3593     
 3594 /(.*X|^B)/
 3595     abcde\n1234Xyz
 3596  0: 1234X
 3597     BarFoo 
 3598  0: B
 3599     *** Failers
 3600 No match
 3601     abcde\nBar  
 3602 No match
 3603 
 3604 /(.*X|^B)/m
 3605     abcde\n1234Xyz
 3606  0: 1234X
 3607     BarFoo 
 3608  0: B
 3609     abcde\nBar  
 3610  0: B
 3611 
 3612 /(.*X|^B)/s
 3613     abcde\n1234Xyz
 3614  0: abcde\x0a1234X
 3615     BarFoo 
 3616  0: B
 3617     *** Failers
 3618 No match
 3619     abcde\nBar  
 3620 No match
 3621 
 3622 /(.*X|^B)/ms
 3623     abcde\n1234Xyz
 3624  0: abcde\x0a1234X
 3625     BarFoo 
 3626  0: B
 3627     abcde\nBar  
 3628  0: B
 3629 
 3630 /(?s)(.*X|^B)/
 3631     abcde\n1234Xyz
 3632  0: abcde\x0a1234X
 3633     BarFoo 
 3634  0: B
 3635     *** Failers 
 3636 No match
 3637     abcde\nBar  
 3638 No match
 3639 
 3640 /(?s:.*X|^B)/
 3641     abcde\n1234Xyz
 3642  0: abcde\x0a1234X
 3643     BarFoo 
 3644  0: B
 3645     *** Failers 
 3646 No match
 3647     abcde\nBar  
 3648 No match
 3649 
 3650 /^.*B/
 3651     **** Failers
 3652 No match
 3653     abc\nB
 3654 No match
 3655      
 3656 /(?s)^.*B/
 3657     abc\nB
 3658  0: abc\x0aB
 3659 
 3660 /(?m)^.*B/
 3661     abc\nB
 3662  0: B
 3663      
 3664 /(?ms)^.*B/
 3665     abc\nB
 3666  0: abc\x0aB
 3667 
 3668 /(?ms)^B/
 3669     abc\nB
 3670  0: B
 3671 
 3672 /(?s)B$/
 3673     B\n
 3674  0: B
 3675 
 3676 /^[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]/
 3677     123456654321
 3678  0: 123456654321
 3679   
 3680 /^\d\d\d\d\d\d\d\d\d\d\d\d/
 3681     123456654321 
 3682  0: 123456654321
 3683 
 3684 /^[\d][\d][\d][\d][\d][\d][\d][\d][\d][\d][\d][\d]/
 3685     123456654321
 3686  0: 123456654321
 3687   
 3688 /^[abc]{12}/
 3689     abcabcabcabc
 3690  0: abcabcabcabc
 3691     
 3692 /^[a-c]{12}/
 3693     abcabcabcabc
 3694  0: abcabcabcabc
 3695     
 3696 /^(a|b|c){12}/
 3697     abcabcabcabc 
 3698  0: abcabcabcabc
 3699 
 3700 /^[abcdefghijklmnopqrstuvwxy0123456789]/
 3701     n
 3702  0: n
 3703     *** Failers 
 3704 No match
 3705     z 
 3706 No match
 3707 
 3708 /abcde{0,0}/
 3709     abcd
 3710  0: abcd
 3711     *** Failers
 3712 No match
 3713     abce  
 3714 No match
 3715 
 3716 /ab[cd]{0,0}e/
 3717     abe
 3718  0: abe
 3719     *** Failers
 3720 No match
 3721     abcde 
 3722 No match
 3723     
 3724 /ab(c){0,0}d/
 3725     abd
 3726  0: abd
 3727     *** Failers
 3728 No match
 3729     abcd   
 3730 No match
 3731 
 3732 /a(b*)/
 3733     a
 3734  0: a
 3735     ab
 3736  0: ab
 3737  1: a
 3738     abbbb
 3739  0: abbbb
 3740  1: abbb
 3741  2: abb
 3742  3: ab
 3743  4: a
 3744     *** Failers
 3745  0: a
 3746     bbbbb    
 3747 No match
 3748     
 3749 /ab\d{0}e/
 3750     abe
 3751  0: abe
 3752     *** Failers
 3753 No match
 3754     ab1e   
 3755 No match
 3756     
 3757 /"([^\\"]+|\\.)*"/
 3758     the \"quick\" brown fox
 3759  0: "quick"
 3760     \"the \\\"quick\\\" brown fox\" 
 3761  0: "the \"quick\" brown fox"
 3762 
 3763 /.*?/g+
 3764     abc
 3765  0: abc
 3766  0+ 
 3767  1: ab
 3768  2: a
 3769  3: 
 3770  0: 
 3771  0+ 
 3772   
 3773 /\b/g+
 3774     abc 
 3775  0: 
 3776  0+ abc
 3777  0: 
 3778  0+ 
 3779 
 3780 /\b/+g
 3781     abc 
 3782  0: 
 3783  0+ abc
 3784  0: 
 3785  0+ 
 3786 
 3787 //g
 3788     abc
 3789  0: 
 3790  0: 
 3791  0: 
 3792  0: 
 3793 
 3794 /<tr([\w\W\s\d][^<>]{0,})><TD([\w\W\s\d][^<>]{0,})>([\d]{0,}\.)(.*)((<BR>([\w\W\s\d][^<>]{0,})|[\s]{0,}))<\/a><\/TD><TD([\w\W\s\d][^<>]{0,})>([\w\W\s\d][^<>]{0,})<\/TD><TD([\w\W\s\d][^<>]{0,})>([\w\W\s\d][^<>]{0,})<\/TD><\/TR>/is
 3795   <TR BGCOLOR='#DBE9E9'><TD align=left valign=top>43.<a href='joblist.cfm?JobID=94 6735&Keyword='>Word Processor<BR>(N-1286)</a></TD><TD align=left valign=top>Lega lstaff.com</TD><TD align=left valign=top>CA - Statewide</TD></TR>
 3796  0: <TR BGCOLOR='#DBE9E9'><TD align=left valign=top>43.<a href='joblist.cfm?JobID=94 6735&Keyword='>Word Processor<BR>(N-1286)</a></TD><TD align=left valign=top>Lega lstaff.com</TD><TD align=left valign=top>CA - Statewide</TD></TR>
 3797 
 3798 /a[^a]b/
 3799     acb
 3800  0: acb
 3801     a\nb
 3802  0: a\x0ab
 3803     
 3804 /a.b/
 3805     acb
 3806  0: acb
 3807     *** Failers 
 3808 No match
 3809     a\nb   
 3810 No match
 3811     
 3812 /a[^a]b/s
 3813     acb
 3814  0: acb
 3815     a\nb  
 3816  0: a\x0ab
 3817     
 3818 /a.b/s
 3819     acb
 3820  0: acb
 3821     a\nb  
 3822  0: a\x0ab
 3823 
 3824 /^(b+?|a){1,2}?c/
 3825     bac
 3826  0: bac
 3827     bbac
 3828  0: bbac
 3829     bbbac
 3830  0: bbbac
 3831     bbbbac
 3832  0: bbbbac
 3833     bbbbbac 
 3834  0: bbbbbac
 3835 
 3836 /^(b+|a){1,2}?c/
 3837     bac
 3838  0: bac
 3839     bbac
 3840  0: bbac
 3841     bbbac
 3842  0: bbbac
 3843     bbbbac
 3844  0: bbbbac
 3845     bbbbbac 
 3846  0: bbbbbac
 3847     
 3848 /(?!\A)x/m
 3849     x\nb\n
 3850 No match
 3851     a\bx\n  
 3852  0: x
 3853     
 3854 /\x0{ab}/
 3855     \0{ab} 
 3856  0: \x00{ab}
 3857 
 3858 /(A|B)*?CD/
 3859     CD 
 3860  0: CD
 3861     
 3862 /(A|B)*CD/
 3863     CD 
 3864  0: CD
 3865 
 3866 /(?<!bar)foo/
 3867     foo
 3868  0: foo
 3869     catfood
 3870  0: foo
 3871     arfootle
 3872  0: foo
 3873     rfoosh
 3874  0: foo
 3875     *** Failers
 3876 No match
 3877     barfoo
 3878 No match
 3879     towbarfoo
 3880 No match
 3881 
 3882 /\w{3}(?<!bar)foo/
 3883     catfood
 3884  0: catfoo
 3885     *** Failers
 3886 No match
 3887     foo
 3888 No match
 3889     barfoo
 3890 No match
 3891     towbarfoo
 3892 No match
 3893 
 3894 /(?<=(foo)a)bar/
 3895     fooabar
 3896  0: bar
 3897     *** Failers
 3898 No match
 3899     bar
 3900 No match
 3901     foobbar
 3902 No match
 3903       
 3904 /\Aabc\z/m
 3905     abc
 3906  0: abc
 3907     *** Failers
 3908 No match
 3909     abc\n   
 3910 No match
 3911     qqq\nabc
 3912 No match
 3913     abc\nzzz
 3914 No match
 3915     qqq\nabc\nzzz
 3916 No match
 3917 
 3918 "(?>.*/)foo"
 3919     /this/is/a/very/long/line/in/deed/with/very/many/slashes/in/it/you/see/
 3920 No match
 3921 
 3922 "(?>.*/)foo"
 3923     /this/is/a/very/long/line/in/deed/with/very/many/slashes/in/and/foo
 3924  0: /this/is/a/very/long/line/in/deed/with/very/many/slashes/in/and/foo
 3925 
 3926 /(?>(\.\d\d[1-9]?))\d+/
 3927     1.230003938
 3928  0: .230003938
 3929  1: .23000393
 3930  2: .2300039
 3931  3: .230003
 3932  4: .23000
 3933  5: .2300
 3934  6: .230
 3935     1.875000282
 3936  0: .875000282
 3937  1: .87500028
 3938  2: .8750002
 3939  3: .875000
 3940  4: .87500
 3941  5: .8750
 3942     *** Failers 
 3943 No match
 3944     1.235 
 3945 No match
 3946 
 3947 /^((?>\w+)|(?>\s+))*$/
 3948     now is the time for all good men to come to the aid of the party
 3949  0: now is the time for all good men to come to the aid of the party
 3950     *** Failers
 3951 No match
 3952     this is not a line with only words and spaces!
 3953 No match
 3954     
 3955 /(\d+)(\w)/
 3956     12345a
 3957  0: 12345a
 3958  1: 12345
 3959  2: 1234
 3960  3: 123
 3961  4: 12
 3962     12345+ 
 3963  0: 12345
 3964  1: 1234
 3965  2: 123
 3966  3: 12
 3967 
 3968 /((?>\d+))(\w)/
 3969     12345a
 3970  0: 12345a
 3971     *** Failers
 3972 No match
 3973     12345+ 
 3974 No match
 3975 
 3976 /(?>a+)b/
 3977     aaab
 3978  0: aaab
 3979 
 3980 /((?>a+)b)/
 3981     aaab
 3982  0: aaab
 3983 
 3984 /(?>(a+))b/
 3985     aaab
 3986  0: aaab
 3987 
 3988 /(?>b)+/
 3989     aaabbbccc
 3990  0: bbb
 3991  1: bb
 3992  2: b
 3993 
 3994 /(?>a+|b+|c+)*c/
 3995     aaabbbbccccd
 3996  0: aaabbbbcccc
 3997  1: aaabbbbc
 3998     
 3999 /(a+|b+|c+)*c/
 4000     aaabbbbccccd
 4001  0: aaabbbbcccc
 4002  1: aaabbbbccc
 4003  2: aaabbbbcc
 4004  3: aaabbbbc
 4005 
 4006 /((?>[^()]+)|\([^()]*\))+/
 4007     ((abc(ade)ufh()()x
 4008  0: abc(ade)ufh()()x
 4009  1: abc(ade)ufh()()
 4010  2: abc(ade)ufh()
 4011  3: abc(ade)ufh
 4012  4: abc(ade)
 4013  5: abc
 4014     
 4015 /\(((?>[^()]+)|\([^()]+\))+\)/ 
 4016     (abc)
 4017  0: (abc)
 4018     (abc(def)xyz)
 4019  0: (abc(def)xyz)
 4020     *** Failers
 4021 No match
 4022     ((()aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa   
 4023 No match
 4024 
 4025 /a(?-i)b/i
 4026     ab
 4027  0: ab
 4028     Ab
 4029  0: Ab
 4030     *** Failers 
 4031 No match
 4032     aB
 4033 No match
 4034     AB
 4035 No match
 4036         
 4037 /(a (?x)b c)d e/
 4038     a bcd e
 4039  0: a bcd e
 4040     *** Failers
 4041 No match
 4042     a b cd e
 4043 No match
 4044     abcd e   
 4045 No match
 4046     a bcde 
 4047 No match
 4048  
 4049 /(a b(?x)c d (?-x)e f)/
 4050     a bcde f
 4051  0: a bcde f
 4052     *** Failers
 4053 No match
 4054     abcdef  
 4055 No match
 4056 
 4057 /(a(?i)b)c/
 4058     abc
 4059  0: abc
 4060     aBc
 4061  0: aBc
 4062     *** Failers
 4063 No match
 4064     abC
 4065 No match
 4066     aBC  
 4067 No match
 4068     Abc
 4069 No match
 4070     ABc
 4071 No match
 4072     ABC
 4073 No match
 4074     AbC
 4075 No match
 4076     
 4077 /a(?i:b)c/
 4078     abc
 4079  0: abc
 4080     aBc
 4081  0: aBc
 4082     *** Failers 
 4083 No match
 4084     ABC
 4085 No match
 4086     abC
 4087 No match
 4088     aBC
 4089 No match
 4090     
 4091 /a(?i:b)*c/
 4092     aBc
 4093  0: aBc
 4094     aBBc
 4095  0: aBBc
 4096     *** Failers 
 4097 No match
 4098     aBC
 4099 No match
 4100     aBBC
 4101 No match
 4102     
 4103 /a(?=b(?i)c)\w\wd/
 4104     abcd
 4105  0: abcd
 4106     abCd
 4107  0: abCd
 4108     *** Failers
 4109 No match
 4110     aBCd
 4111 No match
 4112     abcD     
 4113 No match
 4114     
 4115 /(?s-i:more.*than).*million/i
 4116     more than million
 4117  0: more than million
 4118     more than MILLION
 4119  0: more than MILLION
 4120     more \n than Million 
 4121  0: more \x0a than Million
 4122     *** Failers
 4123 No match
 4124     MORE THAN MILLION    
 4125 No match
 4126     more \n than \n million 
 4127 No match
 4128 
 4129 /(?:(?s-i)more.*than).*million/i
 4130     more than million
 4131  0: more than million
 4132     more than MILLION
 4133  0: more than MILLION
 4134     more \n than Million 
 4135  0: more \x0a than Million
 4136     *** Failers
 4137 No match
 4138     MORE THAN MILLION    
 4139 No match
 4140     more \n than \n million 
 4141 No match
 4142     
 4143 /(?>a(?i)b+)+c/ 
 4144     abc
 4145  0: abc
 4146     aBbc
 4147  0: aBbc
 4148     aBBc 
 4149  0: aBBc
 4150     *** Failers
 4151 No match
 4152     Abc
 4153 No match
 4154     abAb    
 4155 No match
 4156     abbC 
 4157 No match
 4158     
 4159 /(?=a(?i)b)\w\wc/
 4160     abc
 4161  0: abc
 4162     aBc
 4163  0: aBc
 4164     *** Failers
 4165 No match
 4166     Ab 
 4167 No match
 4168     abC
 4169 No match
 4170     aBC     
 4171 No match
 4172     
 4173 /(?<=a(?i)b)(\w\w)c/
 4174     abxxc
 4175  0: xxc
 4176     aBxxc
 4177  0: xxc
 4178     *** Failers
 4179 No match
 4180     Abxxc
 4181 No match
 4182     ABxxc
 4183 No match
 4184     abxxC      
 4185 No match
 4186 
 4187 /^(?(?=abc)\w{3}:|\d\d)$/
 4188     abc:
 4189  0: abc:
 4190     12
 4191  0: 12
 4192     *** Failers
 4193 No match
 4194     123
 4195 No match
 4196     xyz    
 4197 No match
 4198 
 4199 /^(?(?!abc)\d\d|\w{3}:)$/
 4200     abc:
 4201  0: abc:
 4202     12
 4203  0: 12
 4204     *** Failers
 4205 No match
 4206     123
 4207 No match
 4208     xyz    
 4209 No match
 4210     
 4211 /(?(?<=foo)bar|cat)/
 4212     foobar
 4213  0: bar
 4214     cat
 4215  0: cat
 4216     fcat
 4217  0: cat
 4218     focat   
 4219  0: cat
 4220     *** Failers
 4221 No match
 4222     foocat  
 4223 No match
 4224 
 4225 /(?(?<!foo)cat|bar)/
 4226     foobar
 4227  0: bar
 4228     cat
 4229  0: cat
 4230     fcat
 4231  0: cat
 4232     focat   
 4233  0: cat
 4234     *** Failers
 4235 No match
 4236     foocat  
 4237 No match
 4238 
 4239 /(?>a*)*/
 4240     a
 4241  0: a
 4242  1: 
 4243     aa
 4244  0: aa
 4245  1: 
 4246     aaaa
 4247  0: aaaa
 4248  1: 
 4249     
 4250 /(abc|)+/
 4251     abc
 4252  0: abc
 4253  1: 
 4254     abcabc
 4255  0: abcabc
 4256  1: abc
 4257  2: 
 4258     abcabcabc
 4259  0: abcabcabc
 4260  1: abcabc
 4261  2: abc
 4262  3: 
 4263     xyz      
 4264  0: 
 4265 
 4266 /([a]*)*/
 4267     a
 4268  0: a
 4269  1: 
 4270     aaaaa 
 4271  0: aaaaa
 4272  1: aaaa
 4273  2: aaa
 4274  3: aa
 4275  4: a
 4276  5: 
 4277  
 4278 /([ab]*)*/
 4279     a
 4280  0: a
 4281  1: 
 4282     b
 4283  0: b
 4284  1: 
 4285     ababab
 4286  0: ababab
 4287  1: ababa
 4288  2: abab
 4289  3: aba
 4290  4: ab
 4291  5: a
 4292  6: 
 4293     aaaabcde
 4294  0: aaaab
 4295  1: aaaa
 4296  2: aaa
 4297  3: aa
 4298  4: a
 4299  5: 
 4300     bbbb    
 4301  0: bbbb
 4302  1: bbb
 4303  2: bb
 4304  3: b
 4305  4: 
 4306  
 4307 /([^a]*)*/
 4308     b
 4309  0: b
 4310  1: 
 4311     bbbb
 4312  0: bbbb
 4313  1: bbb
 4314  2: bb
 4315  3: b
 4316  4: 
 4317     aaa   
 4318  0: 
 4319  
 4320 /([^ab]*)*/
 4321     cccc
 4322  0: cccc
 4323  1: ccc
 4324  2: cc
 4325  3: c
 4326  4: 
 4327     abab  
 4328  0: 
 4329  
 4330 /([a]*?)*/
 4331     a
 4332  0: a
 4333  1: 
 4334     aaaa 
 4335  0: aaaa
 4336  1: aaa
 4337  2: aa
 4338  3: a
 4339  4: 
 4340  
 4341 /([ab]*?)*/
 4342     a
 4343  0: a
 4344  1: 
 4345     b
 4346  0: b
 4347  1: 
 4348     abab
 4349  0: abab
 4350  1: aba
 4351  2: ab
 4352  3: a
 4353  4: 
 4354     baba   
 4355  0: baba
 4356  1: bab
 4357  2: ba
 4358  3: b
 4359  4: 
 4360  
 4361 /([^a]*?)*/
 4362     b
 4363  0: b
 4364  1: 
 4365     bbbb
 4366  0: bbbb
 4367  1: bbb
 4368  2: bb
 4369  3: b
 4370  4: 
 4371     aaa   
 4372  0: 
 4373  
 4374 /([^ab]*?)*/
 4375     c
 4376  0: c
 4377  1: 
 4378     cccc
 4379  0: cccc
 4380  1: ccc
 4381  2: cc
 4382  3: c
 4383  4: 
 4384     baba   
 4385  0: 
 4386  
 4387 /(?>a*)*/
 4388     a
 4389  0: a
 4390  1: 
 4391     aaabcde 
 4392  0: aaa
 4393  1: 
 4394  
 4395 /((?>a*))*/
 4396     aaaaa
 4397  0: aaaaa
 4398  1: 
 4399     aabbaa 
 4400  0: aa
 4401  1: 
 4402  
 4403 /((?>a*?))*/
 4404     aaaaa
 4405  0: aaaaa
 4406  1: 
 4407     aabbaa 
 4408  0: aa
 4409  1: 
 4410 
 4411 /(?(?=[^a-z]+[a-z])  \d{2}-[a-z]{3}-\d{2}  |  \d{2}-\d{2}-\d{2} ) /x
 4412     12-sep-98
 4413  0: 12-sep-98
 4414     12-09-98
 4415  0: 12-09-98
 4416     *** Failers
 4417 No match
 4418     sep-12-98
 4419 No match
 4420         
 4421 /(?i:saturday|sunday)/
 4422     saturday
 4423  0: saturday
 4424     sunday
 4425  0: sunday
 4426     Saturday
 4427  0: Saturday
 4428     Sunday
 4429  0: Sunday
 4430     SATURDAY
 4431  0: SATURDAY
 4432     SUNDAY
 4433  0: SUNDAY
 4434     SunDay
 4435  0: SunDay
 4436     
 4437 /(a(?i)bc|BB)x/
 4438     abcx
 4439  0: abcx
 4440     aBCx
 4441  0: aBCx
 4442     bbx
 4443  0: bbx
 4444     BBx
 4445  0: BBx
 4446     *** Failers
 4447 No match
 4448     abcX
 4449 No match
 4450     aBCX
 4451 No match
 4452     bbX
 4453 No match
 4454     BBX               
 4455 No match
 4456 
 4457 /^([ab](?i)[cd]|[ef])/
 4458     ac
 4459  0: ac
 4460     aC
 4461  0: aC
 4462     bD
 4463  0: bD
 4464     elephant
 4465  0: e
 4466     Europe 
 4467  0: E
 4468     frog
 4469  0: f
 4470     France
 4471  0: F
 4472     *** Failers
 4473 No match
 4474     Africa     
 4475 No match
 4476 
 4477 /^(ab|a(?i)[b-c](?m-i)d|x(?i)y|z)/
 4478     ab
 4479  0: ab
 4480     aBd
 4481  0: aBd
 4482     xy
 4483  0: xy
 4484     xY
 4485  0: xY
 4486     zebra
 4487  0: z
 4488     Zambesi
 4489  0: Z
 4490     *** Failers
 4491 No match
 4492     aCD  
 4493 No match
 4494     XY  
 4495 No match
 4496 
 4497 /(?<=foo\n)^bar/m
 4498     foo\nbar
 4499  0: bar
 4500     *** Failers
 4501 No match
 4502     bar
 4503 No match
 4504     baz\nbar   
 4505 No match
 4506 
 4507 /(?<=(?<!foo)bar)baz/
 4508     barbaz
 4509  0: baz
 4510     barbarbaz 
 4511  0: baz
 4512     koobarbaz 
 4513  0: baz
 4514     *** Failers
 4515 No match
 4516     baz
 4517 No match
 4518     foobarbaz 
 4519 No match
 4520 
 4521 /The following tests are taken from the Perl 5.005 test suite; some of them/
 4522 /are compatible with 5.004, but I'd rather not have to sort them out./
 4523 No match
 4524 
 4525 /abc/
 4526     abc
 4527  0: abc
 4528     xabcy
 4529  0: abc
 4530     ababc
 4531  0: abc
 4532     *** Failers
 4533 No match
 4534     xbc
 4535 No match
 4536     axc
 4537 No match
 4538     abx
 4539 No match
 4540 
 4541 /ab*c/
 4542     abc
 4543  0: abc
 4544 
 4545 /ab*bc/
 4546     abc
 4547  0: abc
 4548     abbc
 4549  0: abbc
 4550     abbbbc
 4551  0: abbbbc
 4552 
 4553 /.{1}/
 4554     abbbbc
 4555  0: a
 4556 
 4557 /.{3,4}/
 4558     abbbbc
 4559  0: abbb
 4560  1: abb
 4561 
 4562 /ab{0,}bc/
 4563     abbbbc
 4564  0: abbbbc
 4565 
 4566 /ab+bc/
 4567     abbc
 4568  0: abbc
 4569     *** Failers
 4570 No match
 4571     abc
 4572 No match
 4573     abq
 4574 No match
 4575 
 4576 /ab{1,}bc/
 4577 
 4578 /ab+bc/
 4579     abbbbc
 4580  0: abbbbc
 4581 
 4582 /ab{1,}bc/
 4583     abbbbc
 4584  0: abbbbc
 4585 
 4586 /ab{1,3}bc/
 4587     abbbbc
 4588  0: abbbbc
 4589 
 4590 /ab{3,4}bc/
 4591     abbbbc
 4592  0: abbbbc
 4593 
 4594 /ab{4,5}bc/
 4595     *** Failers
 4596 No match
 4597     abq
 4598 No match
 4599     abbbbc
 4600 No match
 4601 
 4602 /ab?bc/
 4603     abbc
 4604  0: abbc
 4605     abc
 4606  0: abc
 4607 
 4608 /ab{0,1}bc/
 4609     abc
 4610  0: abc
 4611 
 4612 /ab?bc/
 4613 
 4614 /ab?c/
 4615     abc
 4616  0: abc
 4617 
 4618 /ab{0,1}c/
 4619     abc
 4620  0: abc
 4621 
 4622 /^abc$/
 4623     abc
 4624  0: abc
 4625     *** Failers
 4626 No match
 4627     abbbbc
 4628 No match
 4629     abcc
 4630 No match
 4631 
 4632 /^abc/
 4633     abcc
 4634  0: abc
 4635 
 4636 /^abc$/
 4637 
 4638 /abc$/
 4639     aabc
 4640  0: abc
 4641     *** Failers
 4642 No match
 4643     aabc
 4644  0: abc
 4645     aabcd
 4646 No match
 4647 
 4648 /^/
 4649     abc
 4650  0: 
 4651 
 4652 /$/
 4653     abc
 4654  0: 
 4655 
 4656 /a.c/
 4657     abc
 4658  0: abc
 4659     axc
 4660  0: axc
 4661 
 4662 /a.*c/
 4663     axyzc
 4664  0: axyzc
 4665 
 4666 /a[bc]d/
 4667     abd
 4668  0: abd
 4669     *** Failers
 4670 No match
 4671     axyzd
 4672 No match
 4673     abc
 4674 No match
 4675 
 4676 /a[b-d]e/
 4677     ace
 4678  0: ace
 4679 
 4680 /a[b-d]/
 4681     aac
 4682  0: ac
 4683 
 4684 /a[-b]/
 4685     a-
 4686  0: a-
 4687 
 4688 /a[b-]/
 4689     a-
 4690  0: a-
 4691 
 4692 /a]/
 4693     a]
 4694  0: a]
 4695 
 4696 /a[]]b/
 4697     a]b
 4698  0: a]b
 4699 
 4700 /a[^bc]d/
 4701     aed
 4702  0: aed
 4703     *** Failers
 4704 No match
 4705     abd
 4706 No match
 4707     abd
 4708 No match
 4709 
 4710 /a[^-b]c/
 4711     adc
 4712  0: adc
 4713 
 4714 /a[^]b]c/
 4715     adc
 4716  0: adc
 4717     *** Failers
 4718 No match
 4719     a-c
 4720  0: a-c
 4721     a]c
 4722 No match
 4723 
 4724 /\ba\b/
 4725     a-
 4726  0: a
 4727     -a
 4728  0: a
 4729     -a-
 4730  0: a
 4731 
 4732 /\by\b/
 4733     *** Failers
 4734 No match
 4735     xy
 4736 No match
 4737     yz
 4738 No match
 4739     xyz
 4740 No match
 4741 
 4742 /\Ba\B/
 4743     *** Failers
 4744  0: a
 4745     a-
 4746 No match
 4747     -a
 4748 No match
 4749     -a-
 4750 No match
 4751 
 4752 /\By\b/
 4753     xy
 4754  0: y
 4755 
 4756 /\by\B/
 4757     yz
 4758  0: y
 4759 
 4760 /\By\B/
 4761     xyz
 4762  0: y
 4763 
 4764 /\w/
 4765     a
 4766  0: a
 4767 
 4768 /\W/
 4769     -
 4770  0: -
 4771     *** Failers
 4772  0: *
 4773     -
 4774  0: -
 4775     a
 4776 No match
 4777 
 4778 /a\sb/
 4779     a b
 4780  0: a b
 4781 
 4782 /a\Sb/
 4783     a-b
 4784  0: a-b
 4785     *** Failers
 4786 No match
 4787     a-b
 4788  0: a-b
 4789     a b
 4790 No match
 4791 
 4792 /\d/
 4793     1
 4794  0: 1
 4795 
 4796 /\D/
 4797     -
 4798  0: -
 4799     *** Failers
 4800  0: *
 4801     -
 4802  0: -
 4803     1
 4804 No match
 4805 
 4806 /[\w]/
 4807     a
 4808  0: a
 4809 
 4810 /[\W]/
 4811     -
 4812  0: -
 4813     *** Failers
 4814  0: *
 4815     -
 4816  0: -
 4817     a
 4818 No match
 4819 
 4820 /a[\s]b/
 4821     a b
 4822  0: a b
 4823 
 4824 /a[\S]b/
 4825     a-b
 4826  0: a-b
 4827     *** Failers
 4828 No match
 4829     a-b
 4830  0: a-b
 4831     a b
 4832 No match
 4833 
 4834 /[\d]/
 4835     1
 4836  0: 1
 4837 
 4838 /[\D]/
 4839     -
 4840  0: -
 4841     *** Failers
 4842  0: *
 4843     -
 4844  0: -
 4845     1
 4846 No match
 4847 
 4848 /ab|cd/
 4849     abc
 4850  0: ab
 4851     abcd
 4852  0: ab
 4853 
 4854 /()ef/
 4855     def
 4856  0: ef
 4857 
 4858 /$b/
 4859 
 4860 /a\(b/
 4861     a(b
 4862  0: a(b
 4863 
 4864 /a\(*b/
 4865     ab
 4866  0: ab
 4867     a((b
 4868  0: a((b
 4869 
 4870 /a\\b/
 4871     a\b
 4872 No match
 4873 
 4874 /((a))/
 4875     abc
 4876  0: a
 4877 
 4878 /(a)b(c)/
 4879     abc
 4880  0: abc
 4881 
 4882 /a+b+c/
 4883     aabbabc
 4884  0: abc
 4885 
 4886 /a{1,}b{1,}c/
 4887     aabbabc
 4888  0: abc
 4889 
 4890 /a.+?c/
 4891     abcabc
 4892  0: abcabc
 4893  1: abc
 4894 
 4895 /(a+|b)*/
 4896     ab
 4897  0: ab
 4898  1: a
 4899  2: 
 4900 
 4901 /(a+|b){0,}/
 4902     ab
 4903  0: ab
 4904  1: a
 4905  2: 
 4906 
 4907 /(a+|b)+/
 4908     ab
 4909  0: ab
 4910  1: a
 4911 
 4912 /(a+|b){1,}/
 4913     ab
 4914  0: ab
 4915  1: a
 4916 
 4917 /(a+|b)?/
 4918     ab
 4919  0: a
 4920  1: 
 4921 
 4922 /(a+|b){0,1}/
 4923     ab
 4924  0: a
 4925  1: 
 4926 
 4927 /[^ab]*/
 4928     cde
 4929  0: cde
 4930  1: cd
 4931  2: c
 4932  3: 
 4933 
 4934 /abc/
 4935     *** Failers
 4936 No match
 4937     b
 4938 No match
 4939     
 4940 
 4941 /a*/
 4942     
 4943 
 4944 /([abc])*d/
 4945     abbbcd
 4946  0: abbbcd
 4947 
 4948 /([abc])*bcd/
 4949     abcd
 4950  0: abcd
 4951 
 4952 /a|b|c|d|e/
 4953     e
 4954  0: e
 4955 
 4956 /(a|b|c|d|e)f/
 4957     ef
 4958  0: ef
 4959 
 4960 /abcd*efg/
 4961     abcdefg
 4962  0: abcdefg
 4963 
 4964 /ab*/
 4965     xabyabbbz
 4966  0: ab
 4967  1: a
 4968     xayabbbz
 4969  0: a
 4970 
 4971 /(ab|cd)e/
 4972     abcde
 4973  0: cde
 4974 
 4975 /[abhgefdc]ij/
 4976     hij
 4977  0: hij
 4978 
 4979 /^(ab|cd)e/
 4980 
 4981 /(abc|)ef/
 4982     abcdef
 4983  0: ef
 4984 
 4985 /(a|b)c*d/
 4986     abcd
 4987  0: bcd
 4988 
 4989 /(ab|ab*)bc/
 4990     abc
 4991  0: abc
 4992 
 4993 /a([bc]*)c*/
 4994     abc
 4995  0: abc
 4996  1: ab
 4997  2: a
 4998 
 4999 /a([bc]*)(c*d)/
 5000     abcd
 5001  0: abcd
 5002 
 5003 /a([bc]+)(c*d)/
 5004     abcd
 5005  0: abcd
 5006 
 5007 /a([bc]*)(c+d)/
 5008     abcd
 5009  0: abcd
 5010 
 5011 /a[bcd]*dcdcde/
 5012     adcdcde
 5013  0: adcdcde
 5014 
 5015 /a[bcd]+dcdcde/
 5016     *** Failers
 5017 No match
 5018     abcde
 5019 No match
 5020     adcdcde
 5021 No match
 5022 
 5023 /(ab|a)b*c/
 5024     abc
 5025  0: abc
 5026 
 5027 /((a)(b)c)(d)/
 5028     abcd
 5029  0: abcd
 5030 
 5031 /[a-zA-Z_][a-zA-Z0-9_]*/
 5032     alpha
 5033  0: alpha
 5034  1: alph
 5035  2: alp
 5036  3: al
 5037  4: a
 5038 
 5039 /^a(bc+|b[eh])g|.h$/
 5040     abh
 5041  0: bh
 5042 
 5043 /(bc+d$|ef*g.|h?i(j|k))/
 5044     effgz
 5045  0: effgz
 5046     ij
 5047  0: ij
 5048     reffgz
 5049  0: effgz
 5050     *** Failers
 5051 No match
 5052     effg
 5053 No match
 5054     bcdd
 5055 No match
 5056 
 5057 /((((((((((a))))))))))/
 5058     a
 5059  0: a
 5060 
 5061 /(((((((((a)))))))))/
 5062     a
 5063  0: a
 5064 
 5065 /multiple words of text/
 5066     *** Failers
 5067 No match
 5068     aa
 5069 No match
 5070     uh-uh
 5071 No match
 5072 
 5073 /multiple words/
 5074     multiple words, yeah
 5075  0: multiple words
 5076 
 5077 /(.*)c(.*)/
 5078     abcde
 5079  0: abcde
 5080  1: abcd
 5081  2: abc
 5082 
 5083 /\((.*), (.*)\)/
 5084     (a, b)
 5085  0: (a, b)
 5086 
 5087 /[k]/
 5088 
 5089 /abcd/
 5090     abcd
 5091  0: abcd
 5092 
 5093 /a(bc)d/
 5094     abcd
 5095  0: abcd
 5096 
 5097 /a[-]?c/
 5098     ac
 5099  0: ac
 5100 
 5101 /abc/i
 5102     ABC
 5103  0: ABC
 5104     XABCY
 5105  0: ABC
 5106     ABABC
 5107  0: ABC
 5108     *** Failers
 5109 No match
 5110     aaxabxbaxbbx
 5111 No match
 5112     XBC
 5113 No match
 5114     AXC
 5115 No match
 5116     ABX
 5117 No match
 5118 
 5119 /ab*c/i
 5120     ABC
 5121  0: ABC
 5122 
 5123 /ab*bc/i
 5124     ABC
 5125  0: ABC
 5126     ABBC
 5127  0: ABBC
 5128 
 5129 /ab*?bc/i
 5130     ABBBBC
 5131  0: ABBBBC
 5132 
 5133 /ab{0,}?bc/i
 5134     ABBBBC
 5135  0: ABBBBC
 5136 
 5137 /ab+?bc/i
 5138     ABBC
 5139  0: ABBC
 5140 
 5141 /ab+bc/i
 5142     *** Failers
 5143 No match
 5144     ABC
 5145 No match
 5146     ABQ
 5147 No match
 5148 
 5149 /ab{1,}bc/i
 5150 
 5151 /ab+bc/i
 5152     ABBBBC
 5153  0: ABBBBC
 5154 
 5155 /ab{1,}?bc/i
 5156     ABBBBC
 5157  0: ABBBBC
 5158 
 5159 /ab{1,3}?bc/i
 5160     ABBBBC
 5161  0: ABBBBC
 5162 
 5163 /ab{3,4}?bc/i
 5164     ABBBBC
 5165  0: ABBBBC
 5166 
 5167 /ab{4,5}?bc/i
 5168     *** Failers
 5169 No match
 5170     ABQ
 5171 No match
 5172     ABBBBC
 5173 No match
 5174 
 5175 /ab??bc/i
 5176     ABBC
 5177  0: ABBC
 5178     ABC
 5179  0: ABC
 5180 
 5181 /ab{0,1}?bc/i
 5182     ABC
 5183  0: ABC
 5184 
 5185 /ab??bc/i
 5186 
 5187 /ab??c/i
 5188     ABC
 5189  0: ABC
 5190 
 5191 /ab{0,1}?c/i
 5192     ABC
 5193  0: ABC
 5194 
 5195 /^abc$/i
 5196     ABC
 5197  0: ABC
 5198     *** Failers
 5199 No match
 5200     ABBBBC
 5201 No match
 5202     ABCC
 5203 No match
 5204 
 5205 /^abc/i
 5206     ABCC
 5207  0: ABC
 5208 
 5209 /^abc$/i
 5210 
 5211 /abc$/i
 5212     AABC
 5213  0: ABC
 5214 
 5215 /^/i
 5216     ABC
 5217  0: 
 5218 
 5219 /$/i
 5220     ABC
 5221  0: 
 5222 
 5223 /a.c/i
 5224     ABC
 5225  0: ABC
 5226     AXC
 5227  0: AXC
 5228 
 5229 /a.*?c/i
 5230     AXYZC
 5231  0: AXYZC
 5232 
 5233 /a.*c/i
 5234     *** Failers
 5235 No match
 5236     AABC
 5237  0: AABC
 5238     AXYZD
 5239 No match
 5240 
 5241 /a[bc]d/i
 5242     ABD
 5243  0: ABD
 5244 
 5245 /a[b-d]e/i
 5246     ACE
 5247  0: ACE
 5248     *** Failers
 5249 No match
 5250     ABC
 5251 No match
 5252     ABD
 5253 No match
 5254 
 5255 /a[b-d]/i
 5256     AAC
 5257  0: AC
 5258 
 5259 /a[-b]/i
 5260     A-
 5261  0: A-
 5262 
 5263 /a[b-]/i
 5264     A-
 5265  0: A-
 5266 
 5267 /a]/i
 5268     A]
 5269  0: A]
 5270 
 5271 /a[]]b/i
 5272     A]B
 5273  0: A]B
 5274 
 5275 /a[^bc]d/i
 5276     AED
 5277  0: AED
 5278 
 5279 /a[^-b]c/i
 5280     ADC
 5281  0: ADC
 5282     *** Failers
 5283 No match
 5284     ABD
 5285 No match
 5286     A-C
 5287 No match
 5288 
 5289 /a[^]b]c/i
 5290     ADC
 5291  0: ADC
 5292 
 5293 /ab|cd/i
 5294     ABC
 5295  0: AB
 5296     ABCD
 5297  0: AB
 5298 
 5299 /()ef/i
 5300     DEF
 5301  0: EF
 5302 
 5303 /$b/i
 5304     *** Failers
 5305 No match
 5306     A]C
 5307 No match
 5308     B
 5309 No match
 5310 
 5311 /a\(b/i
 5312     A(B
 5313  0: A(B
 5314 
 5315 /a\(*b/i
 5316     AB
 5317  0: AB
 5318     A((B
 5319  0: A((B
 5320 
 5321 /a\\b/i
 5322     A\B
 5323 No match
 5324 
 5325 /((a))/i
 5326     ABC
 5327  0: A
 5328 
 5329 /(a)b(c)/i
 5330     ABC
 5331  0: ABC
 5332 
 5333 /a+b+c/i
 5334     AABBABC
 5335  0: ABC
 5336 
 5337 /a{1,}b{1,}c/i
 5338     AABBABC
 5339  0: ABC
 5340 
 5341 /a.+?c/i
 5342     ABCABC
 5343  0: ABCABC
 5344  1: ABC
 5345 
 5346 /a.*?c/i
 5347     ABCABC
 5348  0: ABCABC
 5349  1: ABC
 5350 
 5351 /a.{0,5}?c/i
 5352     ABCABC
 5353  0: ABCABC
 5354  1: ABC
 5355 
 5356 /(a+|b)*/i
 5357     AB
 5358  0: AB
 5359  1: A
 5360  2: 
 5361 
 5362 /(a+|b){0,}/i
 5363     AB
 5364  0: AB
 5365  1: A
 5366  2: 
 5367 
 5368 /(a+|b)+/i
 5369     AB
 5370  0: AB
 5371  1: A
 5372 
 5373 /(a+|b){1,}/i
 5374     AB
 5375  0: AB
 5376  1: A
 5377 
 5378 /(a+|b)?/i
 5379     AB
 5380  0: A
 5381  1: 
 5382 
 5383 /(a+|b){0,1}/i
 5384     AB
 5385  0: A
 5386  1: 
 5387 
 5388 /(a+|b){0,1}?/i
 5389     AB
 5390  0: A
 5391  1: 
 5392 
 5393 /[^ab]*/i
 5394     CDE
 5395  0: CDE
 5396  1: CD
 5397  2: C
 5398  3: 
 5399 
 5400 /abc/i
 5401 
 5402 /a*/i
 5403     
 5404 
 5405 /([abc])*d/i
 5406     ABBBCD
 5407  0: ABBBCD
 5408 
 5409 /([abc])*bcd/i
 5410     ABCD
 5411  0: ABCD
 5412 
 5413 /a|b|c|d|e/i
 5414     E
 5415  0: E
 5416 
 5417 /(a|b|c|d|e)f/i
 5418     EF
 5419  0: EF
 5420 
 5421 /abcd*efg/i
 5422     ABCDEFG
 5423  0: ABCDEFG
 5424 
 5425 /ab*/i
 5426     XABYABBBZ
 5427  0: AB
 5428  1: A
 5429     XAYABBBZ
 5430  0: A
 5431 
 5432 /(ab|cd)e/i
 5433     ABCDE
 5434  0: CDE
 5435 
 5436 /[abhgefdc]ij/i
 5437     HIJ
 5438  0: HIJ
 5439 
 5440 /^(ab|cd)e/i
 5441     ABCDE
 5442 No match
 5443 
 5444 /(abc|)ef/i
 5445     ABCDEF
 5446  0: EF
 5447 
 5448 /(a|b)c*d/i
 5449     ABCD
 5450  0: BCD
 5451 
 5452 /(ab|ab*)bc/i
 5453     ABC
 5454  0: ABC
 5455 
 5456 /a([bc]*)c*/i
 5457     ABC
 5458  0: ABC
 5459  1: AB
 5460  2: A
 5461 
 5462 /a([bc]*)(c*d)/i
 5463     ABCD
 5464  0: ABCD
 5465 
 5466 /a([bc]+)(c*d)/i
 5467     ABCD
 5468  0: ABCD
 5469 
 5470 /a([bc]*)(c+d)/i
 5471     ABCD
 5472  0: ABCD
 5473 
 5474 /a[bcd]*dcdcde/i
 5475     ADCDCDE
 5476  0: ADCDCDE
 5477 
 5478 /a[bcd]+dcdcde/i
 5479 
 5480 /(ab|a)b*c/i
 5481     ABC
 5482  0: ABC
 5483 
 5484 /((a)(b)c)(d)/i
 5485     ABCD
 5486  0: ABCD
 5487 
 5488 /[a-zA-Z_][a-zA-Z0-9_]*/i
 5489     ALPHA
 5490  0: ALPHA
 5491  1: ALPH
 5492  2: ALP
 5493  3: AL
 5494  4: A
 5495 
 5496 /^a(bc+|b[eh])g|.h$/i
 5497     ABH
 5498  0: BH
 5499 
 5500 /(bc+d$|ef*g.|h?i(j|k))/i
 5501     EFFGZ
 5502  0: EFFGZ
 5503     IJ
 5504  0: IJ
 5505     REFFGZ
 5506  0: EFFGZ
 5507     *** Failers
 5508 No match
 5509     ADCDCDE
 5510 No match
 5511     EFFG
 5512 No match
 5513     BCDD
 5514 No match
 5515 
 5516 /((((((((((a))))))))))/i
 5517     A
 5518  0: A
 5519 
 5520 /(((((((((a)))))))))/i
 5521     A
 5522  0: A
 5523 
 5524 /(?:(?:(?:(?:(?:(?:(?:(?:(?:(a))))))))))/i
 5525     A
 5526  0: A
 5527 
 5528 /(?:(?:(?:(?:(?:(?:(?:(?:(?:(a|b|c))))))))))/i
 5529     C
 5530  0: C
 5531 
 5532 /multiple words of text/i
 5533     *** Failers
 5534 No match
 5535     AA
 5536 No match
 5537     UH-UH
 5538 No match
 5539 
 5540 /multiple words/i
 5541     MULTIPLE WORDS, YEAH
 5542  0: MULTIPLE WORDS
 5543 
 5544 /(.*)c(.*)/i
 5545     ABCDE
 5546  0: ABCDE
 5547  1: ABCD
 5548  2: ABC
 5549 
 5550 /\((.*), (.*)\)/i
 5551     (A, B)
 5552  0: (A, B)
 5553 
 5554 /[k]/i
 5555 
 5556 /abcd/i
 5557     ABCD
 5558  0: ABCD
 5559 
 5560 /a(bc)d/i
 5561     ABCD
 5562  0: ABCD
 5563 
 5564 /a[-]?c/i
 5565     AC
 5566  0: AC
 5567 
 5568 /a(?!b)./
 5569     abad
 5570  0: ad
 5571 
 5572 /a(?=d)./
 5573     abad
 5574  0: ad
 5575 
 5576 /a(?=c|d)./
 5577     abad
 5578  0: ad
 5579 
 5580 /a(?:b|c|d)(.)/
 5581     ace
 5582  0: ace
 5583 
 5584 /a(?:b|c|d)*(.)/
 5585     ace
 5586  0: ace
 5587  1: ac
 5588 
 5589 /a(?:b|c|d)+?(.)/
 5590     ace
 5591  0: ace
 5592     acdbcdbe
 5593  0: acdbcdbe
 5594  1: acdbcdb
 5595  2: acdbcd
 5596  3: acdbc
 5597  4: acdb
 5598  5: acd
 5599 
 5600 /a(?:b|c|d)+(.)/
 5601     acdbcdbe
 5602  0: acdbcdbe
 5603  1: acdbcdb
 5604  2: acdbcd
 5605  3: acdbc
 5606  4: acdb
 5607  5: acd
 5608 
 5609 /a(?:b|c|d){2}(.)/
 5610     acdbcdbe
 5611  0: acdb
 5612 
 5613 /a(?:b|c|d){4,5}(.)/
 5614     acdbcdbe
 5615  0: acdbcdb
 5616  1: acdbcd
 5617 
 5618 /a(?:b|c|d){4,5}?(.)/
 5619     acdbcdbe
 5620  0: acdbcdb
 5621  1: acdbcd
 5622 
 5623 /((foo)|(bar))*/
 5624     foobar
 5625  0: foobar
 5626  1: foo
 5627  2: 
 5628 
 5629 /a(?:b|c|d){6,7}(.)/
 5630     acdbcdbe
 5631  0: acdbcdbe
 5632 
 5633 /a(?:b|c|d){6,7}?(.)/
 5634     acdbcdbe
 5635  0: acdbcdbe
 5636 
 5637 /a(?:b|c|d){5,6}(.)/
 5638     acdbcdbe
 5639  0: acdbcdbe
 5640  1: acdbcdb
 5641 
 5642 /a(?:b|c|d){5,6}?(.)/
 5643     acdbcdbe
 5644  0: acdbcdbe
 5645  1: acdbcdb
 5646 
 5647 /a(?:b|c|d){5,7}(.)/
 5648     acdbcdbe
 5649  0: acdbcdbe
 5650  1: acdbcdb
 5651 
 5652 /a(?:b|c|d){5,7}?(.)/
 5653     acdbcdbe
 5654  0: acdbcdbe
 5655  1: acdbcdb
 5656 
 5657 /a(?:b|(c|e){1,2}?|d)+?(.)/
 5658     ace
 5659  0: ace
 5660 
 5661 /^(.+)?B/
 5662     AB
 5663  0: AB
 5664 
 5665 /^([^a-z])|(\^)$/
 5666     .
 5667  0: .
 5668 
 5669 /^[<>]&/
 5670     <&OUT
 5671  0: <&
 5672 
 5673 /(?:(f)(o)(o)|(b)(a)(r))*/
 5674     foobar
 5675  0: foobar
 5676  1: foo
 5677  2: 
 5678 
 5679 /(?<=a)b/
 5680     ab
 5681  0: b
 5682     *** Failers
 5683 No match
 5684     cb
 5685 No match
 5686     b
 5687 No match
 5688 
 5689 /(?<!c)b/
 5690     ab
 5691  0: b
 5692     b
 5693  0: b
 5694     b
 5695  0: b
 5696 
 5697 /(?:..)*a/
 5698     aba
 5699  0: aba
 5700  1: a
 5701 
 5702 /(?:..)*?a/
 5703     aba
 5704  0: aba
 5705  1: a
 5706 
 5707 /^(){3,5}/
 5708     abc
 5709  0: 
 5710 
 5711 /^(a+)*ax/
 5712     aax
 5713  0: aax
 5714 
 5715 /^((a|b)+)*ax/
 5716     aax
 5717  0: aax
 5718 
 5719 /^((a|bc)+)*ax/
 5720     aax
 5721  0: aax
 5722 
 5723 /(a|x)*ab/
 5724     cab
 5725  0: ab
 5726 
 5727 /(a)*ab/
 5728     cab
 5729  0: ab
 5730 
 5731 /(?:(?i)a)b/
 5732     ab
 5733  0: ab
 5734 
 5735 /((?i)a)b/
 5736     ab
 5737  0: ab
 5738 
 5739 /(?:(?i)a)b/
 5740     Ab
 5741  0: Ab
 5742 
 5743 /((?i)a)b/
 5744     Ab
 5745  0: Ab
 5746 
 5747 /(?:(?i)a)b/
 5748     *** Failers
 5749 No match
 5750     cb
 5751 No match
 5752     aB
 5753 No match
 5754 
 5755 /((?i)a)b/
 5756 
 5757 /(?i:a)b/
 5758     ab
 5759  0: ab
 5760 
 5761 /((?i:a))b/
 5762     ab
 5763  0: ab
 5764 
 5765 /(?i:a)b/
 5766     Ab
 5767  0: Ab
 5768 
 5769 /((?i:a))b/
 5770     Ab
 5771  0: Ab
 5772 
 5773 /(?i:a)b/
 5774     *** Failers
 5775 No match
 5776     aB
 5777 No match
 5778     aB
 5779 No match
 5780 
 5781 /((?i:a))b/
 5782 
 5783 /(?:(?-i)a)b/i
 5784     ab
 5785  0: ab
 5786 
 5787 /((?-i)a)b/i
 5788     ab
 5789  0: ab
 5790 
 5791 /(?:(?-i)a)b/i
 5792     aB
 5793  0: aB
 5794 
 5795 /((?-i)a)b/i
 5796     aB
 5797  0: aB
 5798 
 5799 /(?:(?-i)a)b/i
 5800     *** Failers
 5801 No match
 5802     aB
 5803  0: aB
 5804     Ab
 5805 No match
 5806 
 5807 /((?-i)a)b/i
 5808 
 5809 /(?:(?-i)a)b/i
 5810     aB
 5811  0: aB
 5812 
 5813 /((?-i)a)b/i
 5814     aB
 5815  0: aB
 5816 
 5817 /(?:(?-i)a)b/i
 5818     *** Failers
 5819 No match
 5820     Ab
 5821 No match
 5822     AB
 5823 No match
 5824 
 5825 /((?-i)a)b/i
 5826 
 5827 /(?-i:a)b/i
 5828     ab
 5829  0: ab
 5830 
 5831 /((?-i:a))b/i
 5832     ab
 5833  0: ab
 5834 
 5835 /(?-i:a)b/i
 5836     aB
 5837  0: aB
 5838 
 5839 /((?-i:a))b/i
 5840     aB
 5841  0: aB
 5842 
 5843 /(?-i:a)b/i
 5844     *** Failers
 5845 No match
 5846     AB
 5847 No match
 5848     Ab
 5849 No match
 5850 
 5851 /((?-i:a))b/i
 5852 
 5853 /(?-i:a)b/i
 5854     aB
 5855  0: aB
 5856 
 5857 /((?-i:a))b/i
 5858     aB
 5859  0: aB
 5860 
 5861 /(?-i:a)b/i
 5862     *** Failers
 5863 No match
 5864     Ab
 5865 No match
 5866     AB
 5867 No match
 5868 
 5869 /((?-i:a))b/i
 5870 
 5871 /((?-i:a.))b/i
 5872     *** Failers
 5873 No match
 5874     AB
 5875 No match
 5876     a\nB
 5877 No match
 5878 
 5879 /((?s-i:a.))b/i
 5880     a\nB
 5881  0: a\x0aB
 5882 
 5883 /(?:c|d)(?:)(?:a(?:)(?:b)(?:b(?:))(?:b(?:)(?:b)))/
 5884     cabbbb
 5885  0: cabbbb
 5886 
 5887 /(?:c|d)(?:)(?:aaaaaaaa(?:)(?:bbbbbbbb)(?:bbbbbbbb(?:))(?:bbbbbbbb(?:)(?:bbbbbbbb)))/
 5888     caaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
 5889  0: caaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
 5890 
 5891 /foo\w*\d{4}baz/
 5892     foobar1234baz
 5893  0: foobar1234baz
 5894 
 5895 /x(~~)*(?:(?:F)?)?/
 5896     x~~
 5897  0: x~~
 5898  1: x
 5899 
 5900 /^a(?#xxx){3}c/
 5901     aaac
 5902  0: aaac
 5903 
 5904 /^a (?#xxx) (?#yyy) {3}c/x
 5905     aaac
 5906  0: aaac
 5907 
 5908 /(?<![cd])b/
 5909     *** Failers
 5910 No match
 5911     B\nB
 5912 No match
 5913     dbcb
 5914 No match
 5915 
 5916 /(?<![cd])[ab]/
 5917     dbaacb
 5918  0: a
 5919 
 5920 /(?<!(c|d))b/
 5921 
 5922 /(?<!(c|d))[ab]/
 5923     dbaacb
 5924  0: a
 5925 
 5926 /(?<!cd)[ab]/
 5927     cdaccb
 5928  0: b
 5929 
 5930 /^(?:a?b?)*$/
 5931     *** Failers
 5932 No match
 5933     dbcb
 5934 No match
 5935     a--
 5936 No match
 5937 
 5938 /((?s)^a(.))((?m)^b$)/
 5939     a\nb\nc\n
 5940  0: a\x0ab
 5941 
 5942 /((?m)^b$)/
 5943     a\nb\nc\n
 5944  0: b
 5945 
 5946 /(?m)^b/
 5947     a\nb\n
 5948  0: b
 5949 
 5950 /(?m)^(b)/
 5951     a\nb\n
 5952  0: b
 5953 
 5954 /((?m)^b)/
 5955     a\nb\n
 5956  0: b
 5957 
 5958 /\n((?m)^b)/
 5959     a\nb\n
 5960  0: \x0ab
 5961 
 5962 /((?s).)c(?!.)/
 5963     a\nb\nc\n
 5964  0: \x0ac
 5965     a\nb\nc\n
 5966  0: \x0ac
 5967 
 5968 /((?s)b.)c(?!.)/
 5969     a\nb\nc\n
 5970  0: b\x0ac
 5971     a\nb\nc\n
 5972  0: b\x0ac
 5973 
 5974 /^b/
 5975 
 5976 /()^b/
 5977     *** Failers
 5978 No match
 5979     a\nb\nc\n
 5980 No match
 5981     a\nb\nc\n
 5982 No match
 5983 
 5984 /((?m)^b)/
 5985     a\nb\nc\n
 5986  0: b
 5987 
 5988 /(?(?!a)a|b)/
 5989 
 5990 /(?(?!a)b|a)/
 5991     a
 5992  0: a
 5993 
 5994 /(?(?=a)b|a)/
 5995     *** Failers
 5996 No match
 5997     a
 5998 No match
 5999     a
 6000 No match
 6001 
 6002 /(?(?=a)a|b)/
 6003     a
 6004  0: a
 6005 
 6006 /(\w+:)+/
 6007     one:
 6008  0: one:
 6009 
 6010 /$(?<=^(a))/
 6011     a
 6012  0: 
 6013 
 6014 /([\w:]+::)?(\w+)$/
 6015     abcd
 6016  0: abcd
 6017     xy:z:::abcd
 6018  0: xy:z:::abcd
 6019 
 6020 /^[^bcd]*(c+)/
 6021     aexycd
 6022  0: aexyc
 6023 
 6024 /(a*)b+/
 6025     caab
 6026  0: aab
 6027 
 6028 /([\w:]+::)?(\w+)$/
 6029     abcd
 6030  0: abcd
 6031     xy:z:::abcd
 6032  0: xy:z:::abcd
 6033     *** Failers
 6034  0: Failers
 6035     abcd:
 6036 No match
 6037     abcd:
 6038 No match
 6039 
 6040 /^[^bcd]*(c+)/
 6041     aexycd
 6042  0: aexyc
 6043 
 6044 /(>a+)ab/
 6045 
 6046 /(?>a+)b/
 6047     aaab
 6048  0: aaab
 6049 
 6050 /([[:]+)/
 6051     a:[b]:
 6052  0: :[
 6053  1: :
 6054 
 6055 /([[=]+)/
 6056     a=[b]=
 6057  0: =[
 6058  1: =
 6059 
 6060 /([[.]+)/
 6061     a.[b].
 6062  0: .[
 6063  1: .
 6064 
 6065 /((?>a+)b)/
 6066     aaab
 6067  0: aaab
 6068 
 6069 /(?>(a+))b/
 6070     aaab
 6071  0: aaab
 6072 
 6073 /((?>[^()]+)|\([^()]*\))+/
 6074     ((abc(ade)ufh()()x
 6075  0: abc(ade)ufh()()x
 6076  1: abc(ade)ufh()()
 6077  2: abc(ade)ufh()
 6078  3: abc(ade)ufh
 6079  4: abc(ade)
 6080  5: abc
 6081 
 6082 /a\Z/
 6083     *** Failers
 6084 No match
 6085     aaab
 6086 No match
 6087     a\nb\n
 6088 No match
 6089 
 6090 /b\Z/
 6091     a\nb\n
 6092  0: b
 6093 
 6094 /b\z/
 6095 
 6096 /b\Z/
 6097     a\nb
 6098  0: b
 6099 
 6100 /b\z/
 6101     a\nb
 6102  0: b
 6103     *** Failers
 6104 No match
 6105     
 6106 /(?>.*)(?<=(abcd|wxyz))/
 6107     alphabetabcd
 6108  0: alphabetabcd
 6109     endingwxyz
 6110  0: endingwxyz
 6111     *** Failers
 6112 No match
 6113     a rather long string that doesn't end with one of them
 6114 No match
 6115 
 6116 /word (?>(?:(?!otherword)[a-zA-Z0-9]+ ){0,30})otherword/
 6117     word cat dog elephant mussel cow horse canary baboon snake shark otherword
 6118  0: word cat dog elephant mussel cow horse canary baboon snake shark otherword
 6119     word cat dog elephant mussel cow horse canary baboon snake shark
 6120 No match
 6121   
 6122 /word (?>[a-zA-Z0-9]+ ){0,30}otherword/
 6123     word cat dog elephant mussel cow horse canary baboon snake shark the quick brown fox and the lazy dog and several other words getting close to thirty by now I hope
 6124 No match
 6125 
 6126 /(?<=\d{3}(?!999))foo/
 6127     999foo
 6128  0: foo
 6129     123999foo 
 6130  0: foo
 6131     *** Failers
 6132 No match
 6133     123abcfoo
 6134 No match
 6135     
 6136 /(?<=(?!...999)\d{3})foo/
 6137     999foo
 6138  0: foo
 6139     123999foo 
 6140  0: foo
 6141     *** Failers
 6142 No match
 6143     123abcfoo
 6144 No match
 6145 
 6146 /(?<=\d{3}(?!999)...)foo/
 6147     123abcfoo
 6148  0: foo
 6149     123456foo 
 6150  0: foo
 6151     *** Failers
 6152 No match
 6153     123999foo  
 6154 No match
 6155     
 6156 /(?<=\d{3}...)(?<!999)foo/
 6157     123abcfoo   
 6158  0: foo
 6159     123456foo 
 6160  0: foo
 6161     *** Failers
 6162 No match
 6163     123999foo  
 6164 No match
 6165 
 6166 /((Z)+|A)*/
 6167     ZABCDEFG
 6168  0: ZA
 6169  1: Z
 6170  2: 
 6171 
 6172 /(Z()|A)*/
 6173     ZABCDEFG
 6174  0: ZA
 6175  1: Z
 6176  2: 
 6177 
 6178 /(Z(())|A)*/
 6179     ZABCDEFG
 6180  0: ZA
 6181  1: Z
 6182  2: 
 6183 
 6184 /((?>Z)+|A)*/
 6185     ZABCDEFG
 6186  0: ZA
 6187  1: Z
 6188  2: 
 6189 
 6190 /((?>)+|A)*/
 6191     ZABCDEFG
 6192  0: 
 6193 
 6194 /a*/g
 6195     abbab
 6196  0: a
 6197  1: 
 6198  0: 
 6199  0: 
 6200  0: a
 6201  1: 
 6202  0: 
 6203  0: 
 6204 
 6205 /^[a-\d]/
 6206     abcde
 6207  0: a
 6208     -things
 6209  0: -
 6210     0digit
 6211  0: 0
 6212     *** Failers
 6213 No match
 6214     bcdef    
 6215 No match
 6216 
 6217 /^[\d-a]/
 6218     abcde
 6219  0: a
 6220     -things
 6221  0: -
 6222     0digit
 6223  0: 0
 6224     *** Failers
 6225 No match
 6226     bcdef    
 6227 No match
 6228     
 6229 /[[:space:]]+/
 6230     > \x09\x0a\x0c\x0d\x0b<
 6231  0:  \x09\x0a\x0c\x0d\x0b
 6232  1:  \x09\x0a\x0c\x0d
 6233  2:  \x09\x0a\x0c
 6234  3:  \x09\x0a
 6235  4:  \x09
 6236  5:  
 6237      
 6238 /[[:blank:]]+/
 6239     > \x09\x0a\x0c\x0d\x0b<
 6240  0:  \x09
 6241  1:  
 6242      
 6243 /[\s]+/
 6244     > \x09\x0a\x0c\x0d\x0b<
 6245  0:  \x09\x0a\x0c\x0d
 6246  1:  \x09\x0a\x0c
 6247  2:  \x09\x0a
 6248  3:  \x09
 6249  4:  
 6250      
 6251 /\s+/
 6252     > \x09\x0a\x0c\x0d\x0b<
 6253  0:  \x09\x0a\x0c\x0d
 6254  1:  \x09\x0a\x0c
 6255  2:  \x09\x0a
 6256  3:  \x09
 6257  4:  
 6258      
 6259 /ab/x
 6260     ab
 6261 No match
 6262 
 6263 /(?!\A)x/m
 6264   a\nxb\n
 6265  0: x
 6266 
 6267 /(?!^)x/m
 6268   a\nxb\n
 6269 No match
 6270 
 6271 /abc\Qabc\Eabc/
 6272     abcabcabc
 6273  0: abcabcabc
 6274     
 6275 /abc\Q(*+|\Eabc/
 6276     abc(*+|abc 
 6277  0: abc(*+|abc
 6278 
 6279 /   abc\Q abc\Eabc/x
 6280     abc abcabc
 6281  0: abc abcabc
 6282     *** Failers
 6283 No match
 6284     abcabcabc  
 6285 No match
 6286     
 6287 /abc#comment
 6288     \Q#not comment
 6289     literal\E/x
 6290     abc#not comment\n    literal     
 6291  0: abc#not comment\x0a    literal
 6292 
 6293 /abc#comment
 6294     \Q#not comment
 6295     literal/x
 6296     abc#not comment\n    literal     
 6297  0: abc#not comment\x0a    literal
 6298 
 6299 /abc#comment
 6300     \Q#not comment
 6301     literal\E #more comment
 6302     /x
 6303     abc#not comment\n    literal     
 6304  0: abc#not comment\x0a    literal
 6305 
 6306 /abc#comment
 6307     \Q#not comment
 6308     literal\E #more comment/x
 6309     abc#not comment\n    literal     
 6310  0: abc#not comment\x0a    literal
 6311 
 6312 /\Qabc\$xyz\E/
 6313     abc\\\$xyz
 6314  0: abc\$xyz
 6315 
 6316 /\Qabc\E\$\Qxyz\E/
 6317     abc\$xyz
 6318  0: abc$xyz
 6319 
 6320 /\Gabc/
 6321     abc
 6322  0: abc
 6323     *** Failers
 6324 No match
 6325     xyzabc  
 6326 No match
 6327 
 6328 /\Gabc./g
 6329     abc1abc2xyzabc3
 6330  0: abc1
 6331  0: abc2
 6332 
 6333 /abc./g
 6334     abc1abc2xyzabc3 
 6335  0: abc1
 6336  0: abc2
 6337  0: abc3
 6338 
 6339 /a(?x: b c )d/
 6340     XabcdY
 6341  0: abcd
 6342     *** Failers 
 6343 No match
 6344     Xa b c d Y 
 6345 No match
 6346 
 6347 /((?x)x y z | a b c)/
 6348     XabcY
 6349  0: abc
 6350     AxyzB 
 6351  0: xyz
 6352 
 6353 /(?i)AB(?-i)C/
 6354     XabCY
 6355  0: abC
 6356     *** Failers
 6357 No match
 6358     XabcY  
 6359 No match
 6360 
 6361 /((?i)AB(?-i)C|D)E/
 6362     abCE
 6363  0: abCE
 6364     DE
 6365  0: DE
 6366     *** Failers
 6367 No match
 6368     abcE
 6369 No match
 6370     abCe  
 6371 No match
 6372     dE
 6373 No match
 6374     De    
 6375 No match
 6376 
 6377 /[z\Qa-d]\E]/
 6378     z
 6379  0: z
 6380     a
 6381  0: a
 6382     -
 6383  0: -
 6384     d
 6385  0: d
 6386     ] 
 6387  0: ]
 6388     *** Failers
 6389  0: a
 6390     b     
 6391 No match
 6392 
 6393 /[\z\C]/
 6394     z
 6395  0: z
 6396     C 
 6397  0: C
 6398     
 6399 /\M/
 6400     M 
 6401  0: M
 6402     
 6403 /(a+)*b/
 6404     aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 
 6405 No match
 6406     
 6407 /(?i)reg(?:ul(?:[a]|ae)r|ex)/
 6408     REGular
 6409  0: REGular
 6410     regulaer
 6411  0: regulaer
 6412     Regex  
 6413  0: Regex
 6414     regulr 
 6415  0: regul\xe4r
 6416 
 6417 /[--]+/
 6418     
 6419  0: \xc5\xe6\xe5\xe4\xe0
 6420     
 6421  0: \xc5\xe6\xe5\xe4\xff
 6422     
 6423  0: \xc5\xe6\xe5\xe4\xc0
 6424     
 6425  0: \xc5\xe6\xe5\xe4\xdf
 6426 
 6427 /(?<=Z)X./
 6428     \x84XAZXB
 6429  0: XB
 6430 
 6431 /^(?(2)a|(1)(2))+$/
 6432     123a
 6433 Error -17
 6434 
 6435 /(?<=a|bbbb)c/
 6436     ac
 6437  0: c
 6438     bbbbc
 6439  0: c
 6440 
 6441 /abc/>testsavedregex
 6442 Compiled regex written to testsavedregex
 6443 <testsavedregex
 6444 Compiled regex loaded from testsavedregex
 6445 No study data
 6446     abc
 6447  0: abc
 6448     *** Failers
 6449 No match
 6450     bca
 6451 No match
 6452     
 6453 /abc/F>testsavedregex
 6454 Compiled regex written to testsavedregex
 6455 <testsavedregex
 6456 Compiled regex (byte-inverted) loaded from testsavedregex
 6457 No study data
 6458     abc
 6459  0: abc
 6460     *** Failers
 6461 No match
 6462     bca
 6463 No match
 6464 
 6465 /(a|b)/S>testsavedregex
 6466 Compiled regex written to testsavedregex
 6467 Study data written to testsavedregex
 6468 <testsavedregex
 6469 Compiled regex loaded from testsavedregex
 6470 Study data loaded from testsavedregex
 6471     abc
 6472  0: a
 6473     *** Failers
 6474  0: a
 6475     def  
 6476 No match
 6477     
 6478 /(a|b)/SF>testsavedregex
 6479 Compiled regex written to testsavedregex
 6480 Study data written to testsavedregex
 6481 <testsavedregex
 6482 Compiled regex (byte-inverted) loaded from testsavedregex
 6483 Study data loaded from testsavedregex
 6484     abc
 6485  0: a
 6486     *** Failers
 6487  0: a
 6488     def  
 6489 No match
 6490     
 6491 /line\nbreak/
 6492     this is a line\nbreak
 6493  0: line\x0abreak
 6494     line one\nthis is a line\nbreak in the second line 
 6495  0: line\x0abreak
 6496 
 6497 /line\nbreak/f
 6498     this is a line\nbreak
 6499  0: line\x0abreak
 6500     ** Failers 
 6501 No match
 6502     line one\nthis is a line\nbreak in the second line 
 6503 No match
 6504 
 6505 /line\nbreak/mf
 6506     this is a line\nbreak
 6507  0: line\x0abreak
 6508     ** Failers 
 6509 No match
 6510     line one\nthis is a line\nbreak in the second line 
 6511 No match
 6512 
 6513 /1234/
 6514     123\P
 6515 Partial match: 123
 6516     a4\P\R
 6517 No match
 6518 
 6519 /1234/
 6520     123\P
 6521 Partial match: 123
 6522     4\P\R
 6523  0: 4
 6524 
 6525 /^/mg
 6526     a\nb\nc\n
 6527  0: 
 6528  0: 
 6529  0: 
 6530     \ 
 6531  0: 
 6532     
 6533 /(?<=C\n)^/mg
 6534     A\nC\nC\n 
 6535  0: 
 6536 
 6537 /(?s)A?B/
 6538     AB
 6539  0: AB
 6540     aB  
 6541  0: B
 6542 
 6543 /(?s)A*B/
 6544     AB
 6545  0: AB
 6546     aB  
 6547  0: B
 6548 
 6549 /(?m)A?B/
 6550     AB
 6551  0: AB
 6552     aB  
 6553  0: B
 6554 
 6555 /(?m)A*B/
 6556     AB
 6557  0: AB
 6558     aB  
 6559  0: B
 6560 
 6561 /Content-Type\x3A[^\r\n]{6,}/
 6562     Content-Type:xxxxxyyy 
 6563  0: Content-Type:xxxxxyyy
 6564  1: Content-Type:xxxxxyy
 6565  2: Content-Type:xxxxxy
 6566 
 6567 /Content-Type\x3A[^\r\n]{6,}z/
 6568     Content-Type:xxxxxyyyz
 6569  0: Content-Type:xxxxxyyyz
 6570 
 6571 /Content-Type\x3A[^a]{6,}/
 6572     Content-Type:xxxyyy 
 6573  0: Content-Type:xxxyyy
 6574 
 6575 /Content-Type\x3A[^a]{6,}z/
 6576     Content-Type:xxxyyyz
 6577  0: Content-Type:xxxyyyz
 6578 
 6579 /^abc/m
 6580     xyz\nabc
 6581  0: abc
 6582     xyz\nabc\<lf>
 6583  0: abc
 6584     xyz\r\nabc\<lf>
 6585  0: abc
 6586     xyz\rabc\<cr>
 6587  0: abc
 6588     xyz\r\nabc\<crlf>
 6589  0: abc
 6590     ** Failers 
 6591 No match
 6592     xyz\nabc\<cr>
 6593 No match
 6594     xyz\r\nabc\<cr>
 6595 No match
 6596     xyz\nabc\<crlf>
 6597 No match
 6598     xyz\rabc\<crlf>
 6599 No match
 6600     xyz\rabc\<lf>
 6601 No match
 6602     
 6603 /abc$/m<lf>
 6604     xyzabc
 6605  0: abc
 6606     xyzabc\n 
 6607  0: abc
 6608     xyzabc\npqr 
 6609  0: abc
 6610     xyzabc\r\<cr> 
 6611  0: abc
 6612     xyzabc\rpqr\<cr> 
 6613  0: abc
 6614     xyzabc\r\n\<crlf> 
 6615  0: abc
 6616     xyzabc\r\npqr\<crlf> 
 6617  0: abc
 6618     ** Failers
 6619 No match
 6620     xyzabc\r 
 6621 No match
 6622     xyzabc\rpqr 
 6623 No match
 6624     xyzabc\r\n 
 6625 No match
 6626     xyzabc\r\npqr 
 6627 No match
 6628     
 6629 /^abc/m<cr>
 6630     xyz\rabcdef
 6631  0: abc
 6632     xyz\nabcdef\<lf>
 6633  0: abc
 6634     ** Failers  
 6635 No match
 6636     xyz\nabcdef
 6637 No match
 6638        
 6639 /^abc/m<lf>
 6640     xyz\nabcdef
 6641  0: abc
 6642     xyz\rabcdef\<cr>
 6643  0: abc
 6644     ** Failers  
 6645 No match
 6646     xyz\rabcdef
 6647 No match
 6648        
 6649 /^abc/m<crlf>
 6650     xyz\r\nabcdef
 6651  0: abc
 6652     xyz\rabcdef\<cr>
 6653  0: abc
 6654     ** Failers  
 6655 No match
 6656     xyz\rabcdef
 6657 No match
 6658     
 6659 /.*/<lf>
 6660     abc\ndef
 6661  0: abc
 6662  1: ab
 6663  2: a
 6664  3: 
 6665     abc\rdef
 6666  0: abc\x0ddef
 6667  1: abc\x0dde
 6668  2: abc\x0dd
 6669  3: abc\x0d
 6670  4: abc
 6671  5: ab
 6672  6: a
 6673  7: 
 6674     abc\r\ndef
 6675  0: abc\x0d
 6676  1: abc
 6677  2: ab
 6678  3: a
 6679  4: 
 6680     \<cr>abc\ndef
 6681  0: abc\x0adef
 6682  1: abc\x0ade
 6683  2: abc\x0ad
 6684  3: abc\x0a
 6685  4: abc
 6686  5: ab
 6687  6: a
 6688  7: 
 6689     \<cr>abc\rdef
 6690  0: abc
 6691  1: ab
 6692  2: a
 6693  3: 
 6694     \<cr>abc\r\ndef
 6695  0: abc
 6696  1: ab
 6697  2: a
 6698  3: 
 6699     \<crlf>abc\ndef
 6700  0: abc\x0adef
 6701  1: abc\x0ade
 6702  2: abc\x0ad
 6703  3: abc\x0a
 6704  4: abc
 6705  5: ab
 6706  6: a
 6707  7: 
 6708     \<crlf>abc\rdef
 6709  0: abc\x0ddef
 6710  1: abc\x0dde
 6711  2: abc\x0dd
 6712  3: abc\x0d
 6713  4: abc
 6714  5: ab
 6715  6: a
 6716  7: 
 6717     \<crlf>abc\r\ndef
 6718  0: abc
 6719  1: ab
 6720  2: a
 6721  3: 
 6722 
 6723 /\w+(.)(.)?def/s
 6724     abc\ndef
 6725  0: abc\x0adef
 6726     abc\rdef
 6727  0: abc\x0ddef
 6728     abc\r\ndef
 6729  0: abc\x0d\x0adef
 6730 
 6731 /^\w+=.*(\\\n.*)*/
 6732     abc=xyz\\\npqr
 6733  0: abc=xyz\\x0apqr
 6734  1: abc=xyz\\x0apq
 6735  2: abc=xyz\\x0ap
 6736  3: abc=xyz\\x0a
 6737  4: abc=xyz\
 6738  5: abc=xyz
 6739  6: abc=xy
 6740  7: abc=x
 6741  8: abc=
 6742 
 6743 /^(a()*)*/
 6744     aaaa
 6745  0: aaaa
 6746  1: aaa
 6747  2: aa
 6748  3: a
 6749  4: 
 6750 
 6751 /^(?:a(?:(?:))*)*/
 6752     aaaa
 6753  0: aaaa
 6754  1: aaa
 6755  2: aa
 6756  3: a
 6757  4: 
 6758 
 6759 /^(a()+)+/
 6760     aaaa
 6761  0: aaaa
 6762  1: aaa
 6763  2: aa
 6764  3: a
 6765 
 6766 /^(?:a(?:(?:))+)+/
 6767     aaaa
 6768  0: aaaa
 6769  1: aaa
 6770  2: aa
 6771  3: a
 6772 
 6773 /(a|)*\d/
 6774   aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
 6775 No match
 6776   aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
 6777  0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
 6778 
 6779 /(?>a|)*\d/
 6780   aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
 6781 No match
 6782   aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
 6783  0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
 6784 
 6785 /(?:a|)*\d/
 6786   aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
 6787 No match
 6788   aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
 6789  0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
 6790 
 6791 /^a.b/<lf>
 6792     a\rb
 6793  0: a\x0db
 6794     a\nb\<cr> 
 6795  0: a\x0ab
 6796     ** Failers
 6797 No match
 6798     a\nb
 6799 No match
 6800     a\nb\<any>
 6801 No match
 6802     a\rb\<cr>   
 6803 No match
 6804     a\rb\<any>   
 6805 No match
 6806 
 6807 /^abc./mgx<any>
 6808     abc1 \x0aabc2 \x0babc3xx \x0cabc4 \x0dabc5xx \x0d\x0aabc6 \x85abc7 \x{2028}abc8 \x{2029}abc9 JUNK
 6809  0: abc1
 6810  0: abc2
 6811  0: abc3
 6812  0: abc4
 6813  0: abc5
 6814  0: abc6
 6815  0: abc7
 6816 
 6817 /abc.$/mgx<any>
 6818     abc1\x0a abc2\x0b abc3\x0c abc4\x0d abc5\x0d\x0a abc6\x85 abc7\x{2028} abc8\x{2029} abc9
 6819  0: abc1
 6820  0: abc2
 6821  0: abc3
 6822  0: abc4
 6823  0: abc5
 6824  0: abc6
 6825  0: abc9
 6826 
 6827 /^a\Rb/
 6828     a\nb
 6829  0: a\x0ab
 6830     a\rb
 6831  0: a\x0db
 6832     a\r\nb
 6833  0: a\x0d\x0ab
 6834     a\x0bb
 6835  0: a\x0bb
 6836     a\x0cb
 6837  0: a\x0cb
 6838     a\x85b   
 6839  0: a\x85b
 6840     ** Failers
 6841 No match
 6842     a\n\rb    
 6843 No match
 6844 
 6845 /^a\R*b/
 6846     ab
 6847  0: ab
 6848     a\nb
 6849  0: a\x0ab
 6850     a\rb
 6851  0: a\x0db
 6852     a\r\nb
 6853  0: a\x0d\x0ab
 6854     a\x0bb
 6855  0: a\x0bb
 6856     a\x0cb
 6857  0: a\x0cb
 6858     a\x85b   
 6859  0: a\x85b
 6860     a\n\rb    
 6861  0: a\x0a\x0db
 6862     a\n\r\x85\x0cb 
 6863  0: a\x0a\x0d\x85\x0cb
 6864 
 6865 /^a\R+b/
 6866     a\nb
 6867  0: a\x0ab
 6868     a\rb
 6869  0: a\x0db
 6870     a\r\nb
 6871  0: a\x0d\x0ab
 6872     a\x0bb
 6873  0: a\x0bb
 6874     a\x0cb
 6875  0: a\x0cb
 6876     a\x85b   
 6877  0: a\x85b
 6878     a\n\rb    
 6879  0: a\x0a\x0db
 6880     a\n\r\x85\x0cb 
 6881  0: a\x0a\x0d\x85\x0cb
 6882     ** Failers
 6883 No match
 6884     ab  
 6885 No match
 6886     
 6887 /^a\R{1,3}b/
 6888     a\nb
 6889  0: a\x0ab
 6890     a\n\rb
 6891  0: a\x0a\x0db
 6892     a\n\r\x85b
 6893  0: a\x0a\x0d\x85b
 6894     a\r\n\r\nb 
 6895  0: a\x0d\x0a\x0d\x0ab
 6896     a\r\n\r\n\r\nb 
 6897  0: a\x0d\x0a\x0d\x0a\x0d\x0ab
 6898     a\n\r\n\rb
 6899  0: a\x0a\x0d\x0a\x0db
 6900     a\n\n\r\nb 
 6901  0: a\x0a\x0a\x0d\x0ab
 6902     ** Failers
 6903 No match
 6904     a\n\n\n\rb
 6905 No match
 6906     a\r
 6907 No match
 6908 
 6909 /^a[\R]b/
 6910     aRb
 6911  0: aRb
 6912     ** Failers
 6913 No match
 6914     a\nb  
 6915 No match
 6916 
 6917 /.+foo/
 6918     afoo
 6919  0: afoo
 6920     ** Failers 
 6921 No match
 6922     \r\nfoo 
 6923 No match
 6924     \nfoo 
 6925 No match
 6926 
 6927 /.+foo/<crlf>
 6928     afoo
 6929  0: afoo
 6930     \nfoo 
 6931  0: \x0afoo
 6932     ** Failers 
 6933 No match
 6934     \r\nfoo 
 6935 No match
 6936 
 6937 /.+foo/<any>
 6938     afoo
 6939  0: afoo
 6940     ** Failers 
 6941 No match
 6942     \nfoo 
 6943 No match
 6944     \r\nfoo 
 6945 No match
 6946 
 6947 /.+foo/s
 6948     afoo
 6949  0: afoo
 6950     \r\nfoo 
 6951  0: \x0d\x0afoo
 6952     \nfoo 
 6953  0: \x0afoo
 6954 
 6955 / End of testinput7 /