posix/PCRE.tests

   1 # PCRE version 4.4 21-August-2003
   2
   3 # Tests taken from PCRE and modified to suit glibc regex.
   4 #
   5 # PCRE LICENCE
   6 # ------------
   7 #
   8 # PCRE is a library of functions to support regular expressions whose syntax
   9 # and semantics are as close as possible to those of the Perl 5 language.
  10 #
  11 # Written by: Philip Hazel <ph10@cam.ac.uk>
  12 #
  13 # University of Cambridge Computing Service,
  14 # Cambridge, England. Phone: +44 1223 334714.
  15 #
  16 # Copyright (c) 1997-2003 University of Cambridge
  17 #
  18 # Permission is granted to anyone to use this software for any purpose on any
  19 # computer system, and to redistribute it freely, subject to the following
  20 # restrictions:
  21 #
  22 # 1. This software is distributed in the hope that it will be useful,
  23 #    but WITHOUT ANY WARRANTY; without even the implied warranty of
  24 #    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  25 #
  26 # 2. The origin of this software must not be misrepresented, either by
  27 #    explicit claim or by omission. In practice, this means that if you use
  28 #    PCRE in software that you distribute to others, commercially or
  29 #    otherwise, you must put a sentence like this
  30 #
  31 #      Regular expression support is provided by the PCRE library package,
  32 #      which is open source software, written by Philip Hazel, and copyright
  33 #      by the University of Cambridge, England.
  34 #
  35 #    somewhere reasonably visible in your documentation and in any relevant
  36 #    files or online help data or similar. A reference to the ftp site for
  37 #    the source, that is, to
  38 #
  39 #      ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/
  40 #
  41 #    should also be given in the documentation. However, this condition is not
  42 #    intended to apply to whole chains of software. If package A includes PCRE,
  43 #    it must acknowledge it, but if package B is software that includes package
  44 #    A, the condition is not imposed on package B (unless it uses PCRE
  45 #    independently).
  46 #
  47 # 3. Altered versions must be plainly marked as such, and must not be
  48 #    misrepresented as being the original software.
  49 #
  50 # 4. If PCRE is embedded in any software that is released under the GNU
  51 #   General Purpose Licence (GPL), or Lesser General Purpose Licence (LGPL),
  52 #   then the terms of that licence shall supersede any condition above with
  53 #   which it is incompatible.
  54 #
  55 # The documentation for PCRE, supplied in the "doc" directory, is distributed
  56 # under the same terms as the software itself.
  57 #
  58 # End
  59 #
  60
  61 /the quick brown fox/
  62     the quick brown fox
  63  0: the quick brown fox
  64     The quick brown FOX
  65 No match
  66     What do you know about the quick brown fox?
  67  0: the quick brown fox
  68     What do you know about THE QUICK BROWN FOX?
  69 No match
  70
  71 /The quick brown fox/i
  72     the quick brown fox
  73  0: the quick brown fox
  74     The quick brown FOX
  75  0: The quick brown FOX
  76     What do you know about the quick brown fox?
  77  0: the quick brown fox
  78     What do you know about THE QUICK BROWN FOX?
  79  0: THE QUICK BROWN FOX
  80
  81 /a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz/
  82     abxyzpqrrrabbxyyyypqAzz
  83  0: abxyzpqrrrabbxyyyypqAzz
  84     abxyzpqrrrabbxyyyypqAzz
  85  0: abxyzpqrrrabbxyyyypqAzz
  86     aabxyzpqrrrabbxyyyypqAzz
  87  0: aabxyzpqrrrabbxyyyypqAzz
  88     aaabxyzpqrrrabbxyyyypqAzz
  89  0: aaabxyzpqrrrabbxyyyypqAzz
  90     aaaabxyzpqrrrabbxyyyypqAzz
  91  0: aaaabxyzpqrrrabbxyyyypqAzz
  92     abcxyzpqrrrabbxyyyypqAzz
  93  0: abcxyzpqrrrabbxyyyypqAzz
  94     aabcxyzpqrrrabbxyyyypqAzz
  95  0: aabcxyzpqrrrabbxyyyypqAzz
  96     aaabcxyzpqrrrabbxyyyypAzz
  97  0: aaabcxyzpqrrrabbxyyyypAzz
  98     aaabcxyzpqrrrabbxyyyypqAzz
  99  0: aaabcxyzpqrrrabbxyyyypqAzz
 100     aaabcxyzpqrrrabbxyyyypqqAzz
 101  0: aaabcxyzpqrrrabbxyyyypqqAzz
 102     aaabcxyzpqrrrabbxyyyypqqqAzz
 103  0: aaabcxyzpqrrrabbxyyyypqqqAzz
 104     aaabcxyzpqrrrabbxyyyypqqqqAzz
 105  0: aaabcxyzpqrrrabbxyyyypqqqqAzz
 106     aaabcxyzpqrrrabbxyyyypqqqqqAzz
 107  0: aaabcxyzpqrrrabbxyyyypqqqqqAzz
 108     aaabcxyzpqrrrabbxyyyypqqqqqqAzz
 109  0: aaabcxyzpqrrrabbxyyyypqqqqqqAzz
 110     aaaabcxyzpqrrrabbxyyyypqAzz
 111  0: aaaabcxyzpqrrrabbxyyyypqAzz
 112     abxyzzpqrrrabbxyyyypqAzz
 113  0: abxyzzpqrrrabbxyyyypqAzz
 114     aabxyzzzpqrrrabbxyyyypqAzz
 115  0: aabxyzzzpqrrrabbxyyyypqAzz
 116     aaabxyzzzzpqrrrabbxyyyypqAzz
 117  0: aaabxyzzzzpqrrrabbxyyyypqAzz
 118     aaaabxyzzzzpqrrrabbxyyyypqAzz
 119  0: aaaabxyzzzzpqrrrabbxyyyypqAzz
 120     abcxyzzpqrrrabbxyyyypqAzz
 121  0: abcxyzzpqrrrabbxyyyypqAzz
 122     aabcxyzzzpqrrrabbxyyyypqAzz
 123  0: aabcxyzzzpqrrrabbxyyyypqAzz
 124     aaabcxyzzzzpqrrrabbxyyyypqAzz
 125  0: aaabcxyzzzzpqrrrabbxyyyypqAzz
 126     aaaabcxyzzzzpqrrrabbxyyyypqAzz
 127  0: aaaabcxyzzzzpqrrrabbxyyyypqAzz
 128     aaaabcxyzzzzpqrrrabbbxyyyypqAzz
 129  0: aaaabcxyzzzzpqrrrabbbxyyyypqAzz
 130     aaaabcxyzzzzpqrrrabbbxyyyyypqAzz
 131  0: aaaabcxyzzzzpqrrrabbbxyyyyypqAzz
 132     aaabcxyzpqrrrabbxyyyypABzz
 133  0: aaabcxyzpqrrrabbxyyyypABzz
 134     aaabcxyzpqrrrabbxyyyypABBzz
 135  0: aaabcxyzpqrrrabbxyyyypABBzz
 136     >>>aaabxyzpqrrrabbxyyyypqAzz
 137  0: aaabxyzpqrrrabbxyyyypqAzz
 138     >aaaabxyzpqrrrabbxyyyypqAzz
 139  0: aaaabxyzpqrrrabbxyyyypqAzz
 140     >>>>abcxyzpqrrrabbxyyyypqAzz
 141  0: abcxyzpqrrrabbxyyyypqAzz
 142     *** Failers
 143 No match
 144     abxyzpqrrabbxyyyypqAzz
 145 No match
 146     abxyzpqrrrrabbxyyyypqAzz
 147 No match
 148     abxyzpqrrrabxyyyypqAzz
 149 No match
 150     aaaabcxyzzzzpqrrrabbbxyyyyyypqAzz
 151 No match
 152     aaaabcxyzzzzpqrrrabbbxyyypqAzz
 153 No match
 154     aaabcxyzpqrrrabbxyyyypqqqqqqqAzz
 155 No match
 156
 157 /^(abc){1,2}zz/
 158     abczz
 159  0: abczz
 160  1: abc
 161     abcabczz
 162  0: abcabczz
 163  1: abc
 164     *** Failers
 165 No match
 166     zz
 167 No match
 168     abcabcabczz
 169 No match
 170     >>abczz
 171 No match
 172
 173 /^(b+|a){1,2}c/
 174     bc
 175  0: bc
 176  1: b
 177     bbc
 178  0: bbc
 179  1: bb
 180     bbbc
 181  0: bbbc
 182  1: bbb
 183     bac
 184  0: bac
 185  1: a
 186     bbac
 187  0: bbac
 188  1: a
 189     aac
 190  0: aac
 191  1: a
 192     abbbbbbbbbbbc
 193  0: abbbbbbbbbbbc
 194  1: bbbbbbbbbbb
 195     bbbbbbbbbbbac
 196  0: bbbbbbbbbbbac
 197  1: a
 198     *** Failers
 199 No match
 200     aaac
 201 No match
 202     abbbbbbbbbbbac
 203 No match
 204
 205 /^[]cde]/
 206     ]thing
 207  0: ]
 208     cthing
 209  0: c
 210     dthing
 211  0: d
 212     ething
 213  0: e
 214     *** Failers
 215 No match
 216     athing
 217 No match
 218     fthing
 219 No match
 220
 221 /^[^]cde]/
 222     athing
 223  0: a
 224     fthing
 225  0: f
 226     *** Failers
 227  0: *
 228     ]thing
 229 No match
 230     cthing
 231 No match
 232     dthing
 233 No match
 234     ething
 235 No match
 236
 237 /^[0-9]+$/
 238     0
 239  0: 0
 240     1
 241  0: 1
 242     2
 243  0: 2
 244     3
 245  0: 3
 246     4
 247  0: 4
 248     5
 249  0: 5
 250     6
 251  0: 6
 252     7
 253  0: 7
 254     8
 255  0: 8
 256     9
 257  0: 9
 258     10
 259  0: 10
 260     100
 261  0: 100
 262     *** Failers
 263 No match
 264     abc
 265 No match
 266
 267 /^.*nter/
 268     enter
 269  0: enter
 270     inter
 271  0: inter
 272     uponter
 273  0: uponter
 274
 275 /^xxx[0-9]+$/
 276     xxx0
 277  0: xxx0
 278     xxx1234
 279  0: xxx1234
 280     *** Failers
 281 No match
 282     xxx
 283 No match
 284
 285 /^.+[0-9][0-9][0-9]$/
 286     x123
 287  0: x123
 288     xx123
 289  0: xx123
 290     123456
 291  0: 123456
 292     *** Failers
 293 No match
 294     123
 295 No match
 296     x1234
 297  0: x1234
 298
 299 /^([^!]+)!(.+)=apquxz\.ixr\.zzz\.ac\.uk$/
 300     abc!pqr=apquxz.ixr.zzz.ac.uk
 301  0: abc!pqr=apquxz.ixr.zzz.ac.uk
 302  1: abc
 303  2: pqr
 304     *** Failers
 305 No match
 306     !pqr=apquxz.ixr.zzz.ac.uk
 307 No match
 308     abc!=apquxz.ixr.zzz.ac.uk
 309 No match
 310     abc!pqr=apquxz:ixr.zzz.ac.uk
 311 No match
 312     abc!pqr=apquxz.ixr.zzz.ac.ukk
 313 No match
 314
 315 /:/
 316     Well, we need a colon: somewhere
 317  0: :
 318     *** Fail if we don't
 319 No match
 320
 321 /([0-9a-f:]+)$/i
 322     0abc
 323  0: 0abc
 324  1: 0abc
 325     abc
 326  0: abc
 327  1: abc
 328     fed
 329  0: fed
 330  1: fed
 331     E
 332  0: E
 333  1: E
 334     ::
 335  0: ::
 336  1: ::
 337     5f03:12C0::932e
 338  0: 5f03:12C0::932e
 339  1: 5f03:12C0::932e
 340     fed def
 341  0: def
 342  1: def
 343     Any old stuff
 344  0: ff
 345  1: ff
 346     *** Failers
 347 No match
 348     0zzz
 349 No match
 350     gzzz
 351 No match
 352     Any old rubbish
 353 No match
 354
 355 /^.*\.([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})$/
 356     .1.2.3
 357  0: .1.2.3
 358  1: 1
 359  2: 2
 360  3: 3
 361     A.12.123.0
 362  0: A.12.123.0
 363  1: 12
 364  2: 123
 365  3: 0
 366     *** Failers
 367 No match
 368     .1.2.3333
 369 No match
 370     1.2.3
 371 No match
 372     1234.2.3
 373 No match
 374
 375 /^([0-9]+)\s+IN\s+SOA\s+(\S+)\s+(\S+)\s*\(\s*$/
 376     1 IN SOA non-sp1 non-sp2(
 377  0: 1 IN SOA non-sp1 non-sp2(
 378  1: 1
 379  2: non-sp1
 380  3: non-sp2
 381     1    IN    SOA    non-sp1    non-sp2   (
 382  0: 1    IN    SOA    non-sp1    non-sp2   (
 383  1: 1
 384  2: non-sp1
 385  3: non-sp2
 386     *** Failers
 387 No match
 388     1IN SOA non-sp1 non-sp2(
 389 No match
 390
 391 /^[a-zA-Z0-9][a-zA-Z0-9-]*(\.[a-zA-Z0-9][a-zA-z0-9-]*)*\.$/
 392     a.
 393  0: a.
 394     Z.
 395  0: Z.
 396     2.
 397  0: 2.
 398     ab-c.pq-r.
 399  0: ab-c.pq-r.
 400  1: .pq-r
 401     sxk.zzz.ac.uk.
 402  0: sxk.zzz.ac.uk.
 403  1: .uk
 404     x-.y-.
 405  0: x-.y-.
 406  1: .y-
 407     *** Failers
 408 No match
 409     -abc.peq.
 410 No match
 411
 412 /^\*\.[a-z]([a-z0-9-]*[a-z0-9]+)?(\.[a-z]([a-z0-9-]*[a-z0-9]+)?)*$/
 413     *.a
 414  0: *.a
 415     *.b0-a
 416  0: *.b0-a
 417  1: 0-a
 418     *.c3-b.c
 419  0: *.c3-b.c
 420  1: 3-b
 421  2: .c
 422     *.c-a.b-c
 423  0: *.c-a.b-c
 424  1: -a
 425  2: .b-c
 426  3: -c
 427     *** Failers
 428 No match
 429     *.0
 430 No match
 431     *.a-
 432 No match
 433     *.a-b.c-
 434 No match
 435     *.c-a.0-c
 436 No match
 437
 438 /^[0-9a-f](\.[0-9a-f])*$/i
 439     a.b.c.d
 440  0: a.b.c.d
 441  1: .d
 442     A.B.C.D
 443  0: A.B.C.D
 444  1: .D
 445     a.b.c.1.2.3.C
 446  0: a.b.c.1.2.3.C
 447  1: .C
 448
 449 /^".*"\s*(;.*)?$/
 450     "1234"
 451  0: "1234"
 452     "abcd" ;
 453  0: "abcd" ;
 454  1: ;
 455     "" ; rhubarb
 456  0: "" ; rhubarb
 457  1: ; rhubarb
 458     *** Failers
 459 No match
 460     "1234" : things
 461 No match
 462
 463 /^(a(b(c)))(d(e(f)))(h(i(j)))(k(l(m)))$/
 464     abcdefhijklm
 465  0: abcdefhijklm
 466  1: abc
 467  2: bc
 468  3: c
 469  4: def
 470  5: ef
 471  6: f
 472  7: hij
 473  8: ij
 474  9: j
 475 10: klm
 476 11: lm
 477 12: m
 478
 479 /^a*\w/
 480     z
 481  0: z
 482     az
 483  0: az
 484     aaaz
 485  0: aaaz
 486     a
 487  0: a
 488     aa
 489  0: aa
 490     aaaa
 491  0: aaaa
 492     a+
 493  0: a
 494     aa+
 495  0: aa
 496
 497 /^a+\w/
 498     az
 499  0: az
 500     aaaz
 501  0: aaaz
 502     aa
 503  0: aa
 504     aaaa
 505  0: aaaa
 506     aa+
 507  0: aa
 508
 509 /^[0-9]{8}\w{2,}/
 510     1234567890
 511  0: 1234567890
 512     12345678ab
 513  0: 12345678ab
 514     12345678__
 515  0: 12345678__
 516     *** Failers
 517 No match
 518     1234567
 519 No match
 520
 521 /^[aeiou0-9]{4,5}$/
 522     uoie
 523  0: uoie
 524     1234
 525  0: 1234
 526     12345
 527  0: 12345
 528     aaaaa
 529  0: aaaaa
 530     *** Failers
 531 No match
 532     123456
 533 No match
 534
 535 /\`(abc|def)=(\1){2,3}\'/
 536     abc=abcabc
 537  0: abc=abcabc
 538  1: abc
 539  2: abc
 540     def=defdefdef
 541  0: def=defdefdef
 542  1: def
 543  2: def
 544     *** Failers
 545 No match
 546     abc=defdef
 547 No match
 548
 549 /(cat(a(ract|tonic)|erpillar)) \1()2(3)/
 550     cataract cataract23
 551  0: cataract cataract23
 552  1: cataract
 553  2: aract
 554  3: ract
 555  4:
 556  5: 3
 557     catatonic catatonic23
 558  0: catatonic catatonic23
 559  1: catatonic
 560  2: atonic
 561  3: tonic
 562  4:
 563  5: 3
 564     caterpillar caterpillar23
 565  0: caterpillar caterpillar23
 566  1: caterpillar
 567  2: erpillar
 568  3: <unset>
 569  4:
 570  5: 3
 571
 572
 573 /^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]/
 574     From abcd  Mon Sep 01 12:33:02 1997
 575  0: From abcd  Mon Sep 01 12:33
 576  1: abcd
 577
 578 /^From\s+\S+\s+([a-zA-Z]{3}\s+){2}[0-9]{1,2}\s+[0-9][0-9]:[0-9][0-9]/
 579     From abcd  Mon Sep 01 12:33:02 1997
 580  0: From abcd  Mon Sep 01 12:33
 581  1: Sep
 582     From abcd  Mon Sep  1 12:33:02 1997
 583  0: From abcd  Mon Sep  1 12:33
 584  1: Sep
 585     *** Failers
 586 No match
 587     From abcd  Sep 01 12:33:02 1997
 588 No match
 589
 590 /^(a)\1{2,3}(.)/
 591     aaab
 592  0: aaab
 593  1: a
 594  2: b
 595     aaaab
 596  0: aaaab
 597  1: a
 598  2: b
 599     aaaaab
 600  0: aaaaa
 601  1: a
 602  2: a
 603     aaaaaab
 604  0: aaaaa
 605  1: a
 606  2: a
 607
 608 /^[ab]{1,3}(ab*|b)/
 609     aabbbbb
 610  0: aabbbbb
 611  1: abbbbb
 612
 613 /^(cow|)\1(bell)/
 614     cowcowbell
 615  0: cowcowbell
 616  1: cow
 617  2: bell
 618     bell
 619  0: bell
 620  1:
 621  2: bell
 622     *** Failers
 623 No match
 624     cowbell
 625 No match
 626
 627 /^(a|)\1+b/
 628     aab
 629  0: aab
 630  1: a
 631     aaaab
 632  0: aaaab
 633  1: a
 634     b
 635  0: b
 636  1:
 637     *** Failers
 638 No match
 639     ab
 640 No match
 641
 642 /^(a|)\1{2}b/
 643     aaab
 644  0: aaab
 645  1: a
 646     b
 647  0: b
 648  1:
 649     *** Failers
 650 No match
 651     ab
 652 No match
 653     aab
 654 No match
 655     aaaab
 656 No match
 657
 658 /^(a|)\1{2,3}b/
 659     aaab
 660  0: aaab
 661  1: a
 662     aaaab
 663  0: aaaab
 664  1: a
 665     b
 666  0: b
 667  1:
 668     *** Failers
 669 No match
 670     ab
 671 No match
 672     aab
 673 No match
 674     aaaaab
 675 No match
 676
 677 /ab{1,3}bc/
 678     abbbbc
 679  0: abbbbc
 680     abbbc
 681  0: abbbc
 682     abbc
 683  0: abbc
 684     *** Failers
 685 No match
 686     abc
 687 No match
 688     abbbbbc
 689 No match
 690
 691 /([^.]*)\.([^:]*):[T ]+(.*)/
 692     track1.title:TBlah blah blah
 693  0: track1.title:TBlah blah blah
 694  1: track1
 695  2: title
 696  3: Blah blah blah
 697
 698 /([^.]*)\.([^:]*):[T ]+(.*)/i
 699     track1.title:TBlah blah blah
 700  0: track1.title:TBlah blah blah
 701  1: track1
 702  2: title
 703  3: Blah blah blah
 704
 705 /([^.]*)\.([^:]*):[t ]+(.*)/i
 706     track1.title:TBlah blah blah
 707  0: track1.title:TBlah blah blah
 708  1: track1
 709  2: title
 710  3: Blah blah blah
 711
 712 /^abc$/
 713     abc
 714  0: abc
 715     *** Failers
 716 No match
 717
 718 /[-az]+/
 719     az-
 720  0: az-
 721     *** Failers
 722  0: a
 723     b
 724 No match
 725
 726 /[az-]+/
 727     za-
 728  0: za-
 729     *** Failers
 730  0: a
 731     b
 732 No match
 733
 734 /[a-z]+/
 735     abcdxyz
 736  0: abcdxyz
 737
 738 /[0-9-]+/
 739     12-34
 740  0: 12-34
 741     *** Failers
 742 No match
 743     aaa
 744 No match
 745
 746 /(abc)\1/i
 747     abcabc
 748  0: abcabc
 749  1: abc
 750     ABCabc
 751  0: ABCabc
 752  1: ABC
 753     abcABC
 754  0: abcABC
 755  1: abc
 756
 757 /a{0}bc/
 758     bc
 759  0: bc
 760
 761 /^([^a])([^b])([^c]*)([^d]{3,4})/
 762     baNOTccccd
 763  0: baNOTcccc
 764  1: b
 765  2: a
 766  3: NOT
 767  4: cccc
 768     baNOTcccd
 769  0: baNOTccc
 770  1: b
 771  2: a
 772  3: NOT
 773  4: ccc
 774     baNOTccd
 775  0: baNOTcc
 776  1: b
 777  2: a
 778  3: NO
 779  4: Tcc
 780     bacccd
 781  0: baccc
 782  1: b
 783  2: a
 784  3:
 785  4: ccc
 786     *** Failers
 787  0: *** Failers
 788  1: *
 789  2: *
 790  3: * Fail
 791  4: ers
 792     anything
 793 No match
 794     baccd
 795 No match
 796
 797 /[^a]/
 798     Abc
 799  0: A
 800
 801 /[^a]/i
 802     Abc
 803  0: b
 804
 805 /[^a]+/
 806     AAAaAbc
 807  0: AAA
 808
 809 /[^a]+/i
 810     AAAaAbc
 811  0: bc
 812
 813 /[^k]$/
 814     abc
 815  0: c
 816     *** Failers
 817  0: s
 818     abk
 819 No match
 820
 821 /[^k]{2,3}$/
 822     abc
 823  0: abc
 824     kbc
 825  0: bc
 826     kabc
 827  0: abc
 828     *** Failers
 829  0: ers
 830     abk
 831 No match
 832     akb
 833 No match
 834     akk
 835 No match
 836
 837 /^[0-9]{8,}@.+[^k]$/
 838     12345678@a.b.c.d
 839  0: 12345678@a.b.c.d
 840     123456789@x.y.z
 841  0: 123456789@x.y.z
 842     *** Failers
 843 No match
 844     12345678@x.y.uk
 845 No match
 846     1234567@a.b.c.d
 847 No match
 848
 849 /(a)\1{8,}/
 850     aaaaaaaaa
 851  0: aaaaaaaaa
 852  1: a
 853     aaaaaaaaaa
 854  0: aaaaaaaaaa
 855  1: a
 856     *** Failers
 857 No match
 858     aaaaaaa
 859 No match
 860
 861 /[^a]/
 862     aaaabcd
 863  0: b
 864     aaAabcd
 865  0: A
 866
 867 /[^a]/i
 868     aaaabcd
 869  0: b
 870     aaAabcd
 871  0: b
 872
 873 /[^az]/
 874     aaaabcd
 875  0: b
 876     aaAabcd
 877  0: A
 878
 879 /[^az]/i
 880     aaaabcd
 881  0: b
 882     aaAabcd
 883  0: b
 884
 885 /P[^*]TAIRE[^*]{1,6}LL/
 886     xxxxxxxxxxxPSTAIREISLLxxxxxxxxx
 887  0: PSTAIREISLL
 888
 889 /P[^*]TAIRE[^*]{1,}LL/
 890     xxxxxxxxxxxPSTAIREISLLxxxxxxxxx
 891  0: PSTAIREISLL
 892
 893 /(\.[0-9][0-9][1-9]?)[0-9]+/
 894     1.230003938
 895  0: .230003938
 896  1: .23
 897     1.875000282
 898  0: .875000282
 899  1: .875
 900     1.235
 901  0: .235
 902  1: .23
 903
 904 /\b(foo)\s+(\w+)/i
 905     Food is on the foo table
 906  0: foo table
 907  1: foo
 908  2: table
 909
 910 /foo(.*)bar/
 911     The food is under the bar in the barn.
 912  0: food is under the bar in the bar
 913  1: d is under the bar in the
 914
 915 /(.*)([0-9]*)/
 916     I have 2 numbers: 53147
 917  0: I have 2 numbers: 53147
 918  1: I have 2 numbers: 53147
 919  2:
 920
 921 /(.*)([0-9]+)/
 922     I have 2 numbers: 53147
 923  0: I have 2 numbers: 53147
 924  1: I have 2 numbers: 5314
 925  2: 7
 926
 927 /(.*)([0-9]+)$/
 928     I have 2 numbers: 53147
 929  0: I have 2 numbers: 53147
 930  1: I have 2 numbers: 5314
 931  2: 7
 932
 933 /(.*)\b([0-9]+)$/
 934     I have 2 numbers: 53147
 935  0: I have 2 numbers: 53147
 936  1: I have 2 numbers:
 937  2: 53147
 938
 939 /(.*[^0-9])([0-9]+)$/
 940     I have 2 numbers: 53147
 941  0: I have 2 numbers: 53147
 942  1: I have 2 numbers:
 943  2: 53147
 944
 945 /[[:digit:]][[:digit:]]\/[[:digit:]][[:digit:]]\/[[:digit:]][[:digit:]][[:digit:]][[:digit:]]/
 946     01/01/2000
 947  0: 01/01/2000
 948
 949 /^(a){0,0}/
 950     bcd
 951  0:
 952     abc
 953  0:
 954     aab
 955  0:
 956
 957 /^(a){0,1}/
 958     bcd
 959  0:
 960     abc
 961  0: a
 962  1: a
 963     aab
 964  0: a
 965  1: a
 966
 967 /^(a){0,2}/
 968     bcd
 969  0:
 970     abc
 971  0: a
 972  1: a
 973     aab
 974  0: aa
 975  1: a
 976
 977 /^(a){0,3}/
 978     bcd
 979  0:
 980     abc
 981  0: a
 982  1: a
 983     aab
 984  0: aa
 985  1: a
 986     aaa
 987  0: aaa
 988  1: a
 989
 990 /^(a){0,}/
 991     bcd
 992  0:
 993     abc
 994  0: a
 995  1: a
 996     aab
 997  0: aa
 998  1: a
 999     aaa
1000  0: aaa
1001  1: a
1002     aaaaaaaa
1003  0: aaaaaaaa
1004  1: a
1005
1006 /^(a){1,1}/
1007     bcd
1008 No match
1009     abc
1010  0: a
1011  1: a
1012     aab
1013  0: a
1014  1: a
1015
1016 /^(a){1,2}/
1017     bcd
1018 No match
1019     abc
1020  0: a
1021  1: a
1022     aab
1023  0: aa
1024  1: a
1025
1026 /^(a){1,3}/
1027     bcd
1028 No match
1029     abc
1030  0: a
1031  1: a
1032     aab
1033  0: aa
1034  1: a
1035     aaa
1036  0: aaa
1037  1: a
1038
1039 /^(a){1,}/
1040     bcd
1041 No match
1042     abc
1043  0: a
1044  1: a
1045     aab
1046  0: aa
1047  1: a
1048     aaa
1049  0: aaa
1050  1: a
1051     aaaaaaaa
1052  0: aaaaaaaa
1053  1: a
1054
1055 /^[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]/
1056     123456654321
1057  0: 123456654321
1058
1059 /^[[:digit:]][[:digit:]][[:digit:]][[:digit:]][[:digit:]][[:digit:]][[:digit:]][[:digit:]][[:digit:]][[:digit:]][[:digit:]][[:digit:]]/
1060     123456654321
1061  0: 123456654321
1062
1063 /^[abc]{12}/
1064     abcabcabcabc
1065  0: abcabcabcabc
1066
1067 /^[a-c]{12}/
1068     abcabcabcabc
1069  0: abcabcabcabc
1070
1071 /^(a|b|c){12}/
1072     abcabcabcabc
1073  0: abcabcabcabc
1074  1: c
1075
1076 /^[abcdefghijklmnopqrstuvwxy0123456789]/
1077     n
1078  0: n
1079     *** Failers
1080 No match
1081     z
1082 No match
1083
1084 /abcde{0,0}/
1085     abcd
1086  0: abcd
1087     *** Failers
1088 No match
1089     abce
1090 No match
1091
1092 /ab[cd]{0,0}e/
1093     abe
1094  0: abe
1095     *** Failers
1096 No match
1097     abcde
1098 No match
1099
1100 /ab(c){0,0}d/
1101     abd
1102  0: abd
1103     *** Failers
1104 No match
1105     abcd
1106 No match
1107
1108 /a(b*)/
1109     a
1110  0: a
1111  1:
1112     ab
1113  0: ab
1114  1: b
1115     abbbb
1116  0: abbbb
1117  1: bbbb
1118     *** Failers
1119  0: a
1120  1:
1121     bbbbb
1122 No match
1123
1124 /ab[0-9]{0}e/
1125     abe
1126  0: abe
1127     *** Failers
1128 No match
1129     ab1e
1130 No match
1131
1132 /(A|B)*CD/
1133     CD
1134  0: CD
1135
1136 /(AB)*\1/
1137     ABABAB
1138  0: ABABAB
1139  1: AB
1140
1141 /([0-9]+)(\w)/
1142     12345a
1143  0: 12345a
1144  1: 12345
1145  2: a
1146     12345+
1147  0: 12345
1148  1: 1234
1149  2: 5
1150
1151 /(abc|)+/
1152     abc
1153  0: abc
1154  1: abc
1155     abcabc
1156  0: abcabc
1157  1: abc
1158     abcabcabc
1159  0: abcabcabc
1160  1: abc
1161     xyz
1162  0:
1163  1:
1164
1165 /([a]*)*/
1166     a
1167  0: a
1168  1: a
1169     aaaaa
1170  0: aaaaa
1171  1: aaaaa
1172
1173 /([ab]*)*/
1174     a
1175  0: a
1176  1: a
1177     b
1178  0: b
1179  1: b
1180     ababab
1181  0: ababab
1182  1: ababab
1183     aaaabcde
1184  0: aaaab
1185  1: aaaab
1186     bbbb
1187  0: bbbb
1188  1: bbbb
1189
1190 /([^a]*)*/
1191     b
1192  0: b
1193  1: b
1194     bbbb
1195  0: bbbb
1196  1: bbbb
1197     aaa
1198  0:
1199
1200 /([^ab]*)*/
1201     cccc
1202  0: cccc
1203  1: cccc
1204     abab
1205  0:
1206
1207 /abc/
1208     abc
1209  0: abc
1210     xabcy
1211  0: abc
1212     ababc
1213  0: abc
1214     *** Failers
1215 No match
1216     xbc
1217 No match
1218     axc
1219 No match
1220     abx
1221 No match
1222
1223 /ab*c/
1224     abc
1225  0: abc
1226
1227 /ab*bc/
1228     abc
1229  0: abc
1230     abbc
1231  0: abbc
1232     abbbbc
1233  0: abbbbc
1234
1235 /.{1}/
1236     abbbbc
1237  0: a
1238
1239 /.{3,4}/
1240     abbbbc
1241  0: abbb
1242
1243 /ab{0,}bc/
1244     abbbbc
1245  0: abbbbc
1246
1247 /ab+bc/
1248     abbc
1249  0: abbc
1250     *** Failers
1251 No match
1252     abc
1253 No match
1254     abq
1255 No match
1256
1257 /ab+bc/
1258     abbbbc
1259  0: abbbbc
1260
1261 /ab{1,}bc/
1262     abbbbc
1263  0: abbbbc
1264
1265 /ab{1,3}bc/
1266     abbbbc
1267  0: abbbbc
1268
1269 /ab{3,4}bc/
1270     abbbbc
1271  0: abbbbc
1272
1273 /ab{4,5}bc/
1274     *** Failers
1275 No match
1276     abq
1277 No match
1278     abbbbc
1279 No match
1280
1281 /ab?bc/
1282     abbc
1283  0: abbc
1284     abc
1285  0: abc
1286
1287 /ab{0,1}bc/
1288     abc
1289  0: abc
1290
1291 /ab?c/
1292     abc
1293  0: abc
1294
1295 /ab{0,1}c/
1296     abc
1297  0: abc
1298
1299 /^abc$/
1300     abc
1301  0: abc
1302     *** Failers
1303 No match
1304     abbbbc
1305 No match
1306     abcc
1307 No match
1308
1309 /^abc/
1310     abcc
1311  0: abc
1312
1313 /abc$/
1314     aabc
1315  0: abc
1316     *** Failers
1317 No match
1318     aabc
1319  0: abc
1320     aabcd
1321 No match
1322
1323 /^/
1324     abc
1325  0:
1326
1327 /$/
1328     abc
1329  0:
1330
1331 /a.c/
1332     abc
1333  0: abc
1334     axc
1335  0: axc
1336
1337 /a.*c/
1338     axyzc
1339  0: axyzc
1340
1341 /a[bc]d/
1342     abd
1343  0: abd
1344     *** Failers
1345 No match
1346     axyzd
1347 No match
1348     abc
1349 No match
1350
1351 /a[b-d]e/
1352     ace
1353  0: ace
1354
1355 /a[b-d]/
1356     aac
1357  0: ac
1358
1359 /a[-b]/
1360     a-
1361  0: a-
1362
1363 /a[b-]/
1364     a-
1365  0: a-
1366
1367 /a[]]b/
1368     a]b
1369  0: a]b
1370
1371 /a[^bc]d/
1372     aed
1373  0: aed
1374     *** Failers
1375 No match
1376     abd
1377 No match
1378     abd
1379 No match
1380
1381 /a[^-b]c/
1382     adc
1383  0: adc
1384
1385 /a[^]b]c/
1386     adc
1387  0: adc
1388     *** Failers
1389 No match
1390     a-c
1391  0: a-c
1392     a]c
1393 No match
1394
1395 /\ba\b/
1396     a-
1397  0: a
1398     -a
1399  0: a
1400     -a-
1401  0: a
1402
1403 /\by\b/
1404     *** Failers
1405 No match
1406     xy
1407 No match
1408     yz
1409 No match
1410     xyz
1411 No match
1412
1413 /\Ba\B/
1414     *** Failers
1415  0: a
1416     a-
1417 No match
1418     -a
1419 No match
1420     -a-
1421 No match
1422
1423 /\By\b/
1424     xy
1425  0: y
1426
1427 /\by\B/
1428     yz
1429  0: y
1430
1431 /\By\B/
1432     xyz
1433  0: y
1434
1435 /\w/
1436     a
1437  0: a
1438
1439 /\W/
1440     -
1441  0: -
1442     *** Failers
1443  0: *
1444     -
1445  0: -
1446     a
1447 No match
1448
1449 /a\sb/
1450     a b
1451  0: a b
1452
1453 /a\Sb/
1454     a-b
1455  0: a-b
1456     *** Failers
1457 No match
1458     a-b
1459  0: a-b
1460     a b
1461 No match
1462
1463 /[0-9]/
1464     1
1465  0: 1
1466
1467 /[^0-9]/
1468     -
1469  0: -
1470     *** Failers
1471  0: *
1472     -
1473  0: -
1474     1
1475 No match
1476
1477 /ab|cd/
1478     abc
1479  0: ab
1480     abcd
1481  0: ab
1482
1483 /()ef/
1484     def
1485  0: ef
1486  1:
1487
1488 /a\(b/
1489     a(b
1490  0: a(b
1491
1492 /a\(*b/
1493     ab
1494  0: ab
1495     a((b
1496  0: a((b
1497
1498 /((a))/
1499     abc
1500  0: a
1501  1: a
1502  2: a
1503
1504 /(a)b(c)/
1505     abc
1506  0: abc
1507  1: a
1508  2: c
1509
1510 /a+b+c/
1511     aabbabc
1512  0: abc
1513
1514 /a{1,}b{1,}c/
1515     aabbabc
1516  0: abc
1517
1518 /(a+|b)*/
1519     ab
1520  0: ab
1521  1: b
1522
1523 /(a+|b){0,}/
1524     ab
1525  0: ab
1526  1: b
1527
1528 /(a+|b)+/
1529     ab
1530  0: ab
1531  1: b
1532
1533 /(a+|b){1,}/
1534     ab
1535  0: ab
1536  1: b
1537
1538 /(a+|b)?/
1539     ab
1540  0: a
1541  1: a
1542
1543 /(a+|b){0,1}/
1544     ab
1545  0: a
1546  1: a
1547
1548 /[^ab]*/
1549     cde
1550  0: cde
1551
1552 /abc/
1553     *** Failers
1554 No match
1555     b
1556 No match
1557
1558
1559 /a*/
1560
1561
1562 /([abc])*d/
1563     abbbcd
1564  0: abbbcd
1565  1: c
1566
1567 /([abc])*bcd/
1568     abcd
1569  0: abcd
1570  1: a
1571
1572 /a|b|c|d|e/
1573     e
1574  0: e
1575
1576 /(a|b|c|d|e)f/
1577     ef
1578  0: ef
1579  1: e
1580
1581 /abcd*efg/
1582     abcdefg
1583  0: abcdefg
1584
1585 /ab*/
1586     xabyabbbz
1587  0: ab
1588     xayabbbz
1589  0: a
1590
1591 /(ab|cd)e/
1592     abcde
1593  0: cde
1594  1: cd
1595
1596 /[abhgefdc]ij/
1597     hij
1598  0: hij
1599
1600 /(abc|)ef/
1601     abcdef
1602  0: ef
1603  1:
1604
1605 /(a|b)c*d/
1606     abcd
1607  0: bcd
1608  1: b
1609
1610 /(ab|ab*)bc/
1611     abc
1612  0: abc
1613  1: a
1614
1615 /a([bc]*)c*/
1616     abc
1617  0: abc
1618  1: bc
1619
1620 /a([bc]*)(c*d)/
1621     abcd
1622  0: abcd
1623  1: bc
1624  2: d
1625
1626 /a([bc]+)(c*d)/
1627     abcd
1628  0: abcd
1629  1: bc
1630  2: d
1631
1632 /a([bc]*)(c+d)/
1633     abcd
1634  0: abcd
1635  1: b
1636  2: cd
1637
1638 /a[bcd]*dcdcde/
1639     adcdcde
1640  0: adcdcde
1641
1642 /a[bcd]+dcdcde/
1643     *** Failers
1644 No match
1645     abcde
1646 No match
1647     adcdcde
1648 No match
1649
1650 /(ab|a)b*c/
1651     abc
1652  0: abc
1653  1: ab
1654
1655 /((a)(b)c)(d)/
1656     abcd
1657  0: abcd
1658  1: abc
1659  2: a
1660  3: b
1661  4: d
1662
1663 /[a-zA-Z_][a-zA-Z0-9_]*/
1664     alpha
1665  0: alpha
1666
1667 /^a(bc+|b[eh])g|.h$/
1668     abh
1669  0: bh
1670
1671 /(bc+d$|ef*g.|h?i(j|k))/
1672     effgz
1673  0: effgz
1674  1: effgz
1675     ij
1676  0: ij
1677  1: ij
1678  2: j
1679     reffgz
1680  0: effgz
1681  1: effgz
1682     *** Failers
1683 No match
1684     effg
1685 No match
1686     bcdd
1687 No match
1688
1689 /((((((((((a))))))))))/
1690     a
1691  0: a
1692  1: a
1693  2: a
1694  3: a
1695  4: a
1696  5: a
1697  6: a
1698  7: a
1699  8: a
1700  9: a
1701 10: a
1702
1703 /((((((((((a))))))))))\9/
1704     aa
1705  0: aa
1706  1: a
1707  2: a
1708  3: a
1709  4: a
1710  5: a
1711  6: a
1712  7: a
1713  8: a
1714  9: a
1715 10: a
1716
1717 /(((((((((a)))))))))/
1718     a
1719  0: a
1720  1: a
1721  2: a
1722  3: a
1723  4: a
1724  5: a
1725  6: a
1726  7: a
1727  8: a
1728  9: a
1729
1730 /multiple words of text/
1731     *** Failers
1732 No match
1733     aa
1734 No match
1735     uh-uh
1736 No match
1737
1738 /multiple words/
1739     multiple words, yeah
1740  0: multiple words
1741
1742 /(.*)c(.*)/
1743     abcde
1744  0: abcde
1745  1: ab
1746  2: de
1747
1748 /\((.*), (.*)\)/
1749     (a, b)
1750  0: (a, b)
1751  1: a
1752  2: b
1753
1754 /abcd/
1755     abcd
1756  0: abcd
1757
1758 /a(bc)d/
1759     abcd
1760  0: abcd
1761  1: bc
1762
1763 /a[-]?c/
1764     ac
1765  0: ac
1766
1767 /(abc)\1/
1768     abcabc
1769  0: abcabc
1770  1: abc
1771
1772 /([a-c]*)\1/
1773     abcabc
1774  0: abcabc
1775  1: abc
1776
1777 /(a)|\1/
1778     a
1779  0: a
1780  1: a
1781     *** Failers
1782  0: a
1783  1: a
1784     ab
1785  0: a
1786  1: a
1787     x
1788 No match
1789
1790 /abc/i
1791     ABC
1792  0: ABC
1793     XABCY
1794  0: ABC
1795     ABABC
1796  0: ABC
1797     *** Failers
1798 No match
1799     aaxabxbaxbbx
1800 No match
1801     XBC
1802 No match
1803     AXC
1804 No match
1805     ABX
1806 No match
1807
1808 /ab*c/i
1809     ABC
1810  0: ABC
1811
1812 /ab*bc/i
1813     ABC
1814  0: ABC
1815     ABBC
1816  0: ABBC
1817
1818 /ab+bc/i
1819     *** Failers
1820 No match
1821     ABC
1822 No match
1823     ABQ
1824 No match
1825
1826 /ab+bc/i
1827     ABBBBC
1828  0: ABBBBC
1829
1830 /^abc$/i
1831     ABC
1832  0: ABC
1833     *** Failers
1834 No match
1835     ABBBBC
1836 No match
1837     ABCC
1838 No match
1839
1840 /^abc/i
1841     ABCC
1842  0: ABC
1843
1844 /abc$/i
1845     AABC
1846  0: ABC
1847
1848 /^/i
1849     ABC
1850  0:
1851
1852 /$/i
1853     ABC
1854  0:
1855
1856 /a.c/i
1857     ABC
1858  0: ABC
1859     AXC
1860  0: AXC
1861
1862 /a.*c/i
1863     *** Failers
1864 No match
1865     AABC
1866  0: AABC
1867     AXYZD
1868 No match
1869
1870 /a[bc]d/i
1871     ABD
1872  0: ABD
1873
1874 /a[b-d]e/i
1875     ACE
1876  0: ACE
1877     *** Failers
1878 No match
1879     ABC
1880 No match
1881     ABD
1882 No match
1883
1884 /a[b-d]/i
1885     AAC
1886  0: AC
1887
1888 /a[-b]/i
1889     A-
1890  0: A-
1891
1892 /a[b-]/i
1893     A-
1894  0: A-
1895
1896 /a[]]b/i
1897     A]B
1898  0: A]B
1899
1900 /a[^bc]d/i
1901     AED
1902  0: AED
1903
1904 /a[^-b]c/i
1905     ADC
1906  0: ADC
1907     *** Failers
1908 No match
1909     ABD
1910 No match
1911     A-C
1912 No match
1913
1914 /a[^]b]c/i
1915     ADC
1916  0: ADC
1917
1918 /ab|cd/i
1919     ABC
1920  0: AB
1921     ABCD
1922  0: AB
1923
1924 /()ef/i
1925     DEF
1926  0: EF
1927  1:
1928
1929 /$b/i
1930     *** Failers
1931 No match
1932     A]C
1933 No match
1934     B
1935 No match
1936
1937 /a\(b/i
1938     A(B
1939  0: A(B
1940
1941 /a\(*b/i
1942     AB
1943  0: AB
1944     A((B
1945  0: A((B
1946
1947 /((a))/i
1948     ABC
1949  0: A
1950  1: A
1951  2: A
1952
1953 /(a)b(c)/i
1954     ABC
1955  0: ABC
1956  1: A
1957  2: C
1958
1959 /a+b+c/i
1960     AABBABC
1961  0: ABC
1962
1963 /a{1,}b{1,}c/i
1964     AABBABC
1965  0: ABC
1966
1967 /(a+|b)*/i
1968     AB
1969  0: AB
1970  1: B
1971
1972 /(a+|b){0,}/i
1973     AB
1974  0: AB
1975  1: B
1976
1977 /(a+|b)+/i
1978     AB
1979  0: AB
1980  1: B
1981
1982 /(a+|b){1,}/i
1983     AB
1984  0: AB
1985  1: B
1986
1987 /(a+|b)?/i
1988     AB
1989  0: A
1990  1: A
1991
1992 /(a+|b){0,1}/i
1993     AB
1994  0: A
1995  1: A
1996
1997 /[^ab]*/i
1998     CDE
1999  0: CDE
2000
2001 /([abc])*d/i
2002     ABBBCD
2003  0: ABBBCD
2004  1: C
2005
2006 /([abc])*bcd/i
2007     ABCD
2008  0: ABCD
2009  1: A
2010
2011 /a|b|c|d|e/i
2012     E
2013  0: E
2014
2015 /(a|b|c|d|e)f/i
2016     EF
2017  0: EF
2018  1: E
2019
2020 /abcd*efg/i
2021     ABCDEFG
2022  0: ABCDEFG
2023
2024 /ab*/i
2025     XABYABBBZ
2026  0: AB
2027     XAYABBBZ
2028  0: A
2029
2030 /(ab|cd)e/i
2031     ABCDE
2032  0: CDE
2033  1: CD
2034
2035 /[abhgefdc]ij/i
2036     HIJ
2037  0: HIJ
2038
2039 /^(ab|cd)e/i
2040     ABCDE
2041 No match
2042
2043 /(abc|)ef/i
2044     ABCDEF
2045  0: EF
2046  1:
2047
2048 /(a|b)c*d/i
2049     ABCD
2050  0: BCD
2051  1: B
2052
2053 /(ab|ab*)bc/i
2054     ABC
2055  0: ABC
2056  1: A
2057
2058 /a([bc]*)c*/i
2059     ABC
2060  0: ABC
2061  1: BC
2062
2063 /a([bc]*)(c*d)/i
2064     ABCD
2065  0: ABCD
2066  1: BC
2067  2: D
2068
2069 /a([bc]+)(c*d)/i
2070     ABCD
2071  0: ABCD
2072  1: BC
2073  2: D
2074
2075 /a([bc]*)(c+d)/i
2076     ABCD
2077  0: ABCD
2078  1: B
2079  2: CD
2080
2081 /a[bcd]*dcdcde/i
2082     ADCDCDE
2083  0: ADCDCDE
2084
2085 /a[bcd]+dcdcde/i
2086
2087 /(ab|a)b*c/i
2088     ABC
2089  0: ABC
2090  1: AB
2091
2092 /((a)(b)c)(d)/i
2093     ABCD
2094  0: ABCD
2095  1: ABC
2096  2: A
2097  3: B
2098  4: D
2099
2100 /[a-zA-Z_][a-zA-Z0-9_]*/i
2101     ALPHA
2102  0: ALPHA
2103
2104 /^a(bc+|b[eh])g|.h$/i
2105     ABH
2106  0: BH
2107
2108 /(bc+d$|ef*g.|h?i(j|k))/i
2109     EFFGZ
2110  0: EFFGZ
2111  1: EFFGZ
2112     IJ
2113  0: IJ
2114  1: IJ
2115  2: J
2116     REFFGZ
2117  0: EFFGZ
2118  1: EFFGZ
2119     *** Failers
2120 No match
2121     ADCDCDE
2122 No match
2123     EFFG
2124 No match
2125     BCDD
2126 No match
2127
2128 /((((((((((a))))))))))/i
2129     A
2130  0: A
2131  1: A
2132  2: A
2133  3: A
2134  4: A
2135  5: A
2136  6: A
2137  7: A
2138  8: A
2139  9: A
2140 10: A
2141
2142 /((((((((((a))))))))))\9/i
2143     AA
2144  0: AA
2145  1: A
2146  2: A
2147  3: A
2148  4: A
2149  5: A
2150  6: A
2151  7: A
2152  8: A
2153  9: A
2154 10: A
2155
2156 /(((((((((a)))))))))/i
2157     A
2158  0: A
2159  1: A
2160  2: A
2161  3: A
2162  4: A
2163  5: A
2164  6: A
2165  7: A
2166  8: A
2167  9: A
2168
2169 /multiple words of text/i
2170     *** Failers
2171 No match
2172     AA
2173 No match
2174     UH-UH
2175 No match
2176
2177 /multiple words/i
2178     MULTIPLE WORDS, YEAH
2179  0: MULTIPLE WORDS
2180
2181 /(.*)c(.*)/i
2182     ABCDE
2183  0: ABCDE
2184  1: AB
2185  2: DE
2186
2187 /\((.*), (.*)\)/i
2188     (A, B)
2189  0: (A, B)
2190  1: A
2191  2: B
2192
2193 /abcd/i
2194     ABCD
2195  0: ABCD
2196
2197 /a(bc)d/i
2198     ABCD
2199  0: ABCD
2200  1: BC
2201
2202 /a[-]?c/i
2203     AC
2204  0: AC
2205
2206 /(abc)\1/i
2207     ABCABC
2208  0: ABCABC
2209  1: ABC
2210
2211 /([a-c]*)\1/i
2212     ABCABC
2213  0: ABCABC
2214  1: ABC
2215
2216 /((foo)|(bar))*/
2217     foobar
2218  0: foobar
2219  1: bar
2220  2: foo
2221  3: bar
2222
2223 /^(.+)?B/
2224     AB
2225  0: AB
2226  1: A
2227
2228 /^([^a-z])|(\^)$/
2229     .
2230  0: .
2231  1: .
2232
2233 /^[<>]&/
2234     <&OUT
2235  0: <&
2236
2237 /^(){3,5}/
2238     abc
2239  0:
2240  1:
2241
2242 /^(a+)*ax/
2243     aax
2244  0: aax
2245  1: a
2246
2247 /^((a|b)+)*ax/
2248     aax
2249  0: aax
2250  1: a
2251  2: a
2252
2253 /^((a|bc)+)*ax/
2254     aax
2255  0: aax
2256  1: a
2257  2: a
2258
2259 /(a|x)*ab/
2260     cab
2261  0: ab
2262
2263 /(a)*ab/
2264     cab
2265  0: ab
2266
2267 /(ab)[0-9]\1/i
2268     Ab4ab
2269  0: Ab4ab
2270  1: Ab
2271     ab4Ab
2272  0: ab4Ab
2273  1: ab
2274
2275 /foo\w*[0-9]{4}baz/
2276     foobar1234baz
2277  0: foobar1234baz
2278
2279 /(\w+:)+/
2280     one:
2281  0: one:
2282  1: one:
2283
2284 /((\w|:)+::)?(\w+)$/
2285     abcd
2286  0: abcd
2287  1: <unset>
2288  2: <unset>
2289  3: abcd
2290     xy:z:::abcd
2291  0: xy:z:::abcd
2292  1: xy:z:::
2293  2: :
2294  3: abcd
2295
2296 /^[^bcd]*(c+)/
2297     aexycd
2298  0: aexyc
2299  1: c
2300
2301 /(a*)b+/
2302     caab
2303  0: aab
2304  1: aa
2305
2306 /((\w|:)+::)?(\w+)$/
2307     abcd
2308  0: abcd
2309  1: <unset>
2310  2: <unset>
2311  3: abcd
2312     xy:z:::abcd
2313  0: xy:z:::abcd
2314  1: xy:z:::
2315  2: :
2316  3: abcd
2317     *** Failers
2318  0: Failers
2319  1: <unset>
2320  2: <unset>
2321  3: Failers
2322     abcd:
2323 No match
2324     abcd:
2325 No match
2326
2327 /^[^bcd]*(c+)/
2328     aexycd
2329  0: aexyc
2330  1: c
2331
2332 /((Z)+|A)*/
2333     ZABCDEFG
2334  0: ZA
2335  1: A
2336  2: Z
2337
2338 /(Z()|A)*/
2339     ZABCDEFG
2340  0: ZA
2341  1: A
2342  2:
2343
2344 /(Z(())|A)*/
2345     ZABCDEFG
2346  0: ZA
2347  1: A
2348  2:
2349  3:
2350
2351 /(.*)[0-9]+\1/
2352     abc123abc
2353  0: abc123abc
2354  1: abc
2355     abc123bc
2356  0: bc123bc
2357  1: bc
2358
2359 /((.*))[0-9]+\1/
2360     abc123abc
2361  0: abc123abc
2362  1: abc
2363  2: abc
2364     abc123bc
2365  0: bc123bc
2366  1: bc
2367  2: bc
2368
2369 /^a{2,5}$/
2370     aa
2371  0: aa
2372     aaa
2373  0: aaa
2374     aaaa
2375  0: aaaa
2376     aaaaa
2377  0: aaaaa
2378     *** Failers
2379 No match
2380     a
2381 No match
2382     b
2383 No match
2384     aaaaab
2385 No match
2386     aaaaaa