aboutsummaryrefslogtreecommitdiff
path: root/tests/regexp.test
blob: 7aeb72e72157c5f210b59e4797519a1cd42616f7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
# Commands covered:  regexp, regsub
#
# This file contains a collection of tests for one or more of the Tcl
# built-in commands.  Sourcing this file into Tcl runs the tests and
# generates output for errors.  No output means no errors were found.
#
# Copyright (c) 1991-1993 The Regents of the University of California.
# Copyright (c) 1998 Sun Microsystems, Inc.
# Copyright (c) 1998-1999 by Scriptics Corporation.
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
#
# RCS: @(#) $Id: regexp.test,v 1.30.2.1 2008/08/21 23:19:06 hobbs Exp $

source [file dirname [info script]]/testing.tcl

needs cmd regexp
constraint expr regexp_are {[regexp {\d} 1]}

catch {unset foo}
test regexp-1.1 {basic regexp operation} {
    regexp ab*c abbbc
} 1
test regexp-1.2 {basic regexp operation} {
    regexp ab*c ac
} 1
test regexp-1.3 {basic regexp operation} {
    regexp ab*c ab
} 0
test regexp-1.4 {basic regexp operation} {
    regexp -- -gorp abc-gorpxxx
} 1
test regexp-1.5 {basic regexp operation} {
    regexp {^([^ ]*)[ ]*([^ ]*)} "" a
} 1
test regexp-1.6 {basic regexp operation} regexp_are {
    list [catch {regexp {} abc} msg] $msg
} {0 1}
#test regexp-1.7 {regexp utf compliance} {
#    # if not UTF-8 aware, result is "0 1"
#    set foo "\u4e4eb q"
#    regexp "\u4e4eb q" "a\u4e4eb qw\u5e4e\x4e wq" bar
#    list [string compare $foo $bar] [regexp 4 $bar]
#} {0 0}


test regexp-2.1 {getting substrings back from regexp} {
    set foo {}
    list [regexp ab*c abbbbc foo] $foo
} {1 abbbbc}
test regexp-2.2 {getting substrings back from regexp} {
    set foo {}
    set f2 {}
    list [regexp a(b*)c abbbbc foo f2] $foo $f2
} {1 abbbbc bbbb}
test regexp-2.3 {getting substrings back from regexp} {
    set foo {}
    set f2 {}
    list [regexp a(b*)(c) abbbbc foo f2] $foo $f2
} {1 abbbbc bbbb}
test regexp-2.4 {getting substrings back from regexp} {
    set foo {}
    set f2 {}
    set f3 {}
    list [regexp a(b*)(c) abbbbc foo f2 f3] $foo $f2 $f3
} {1 abbbbc bbbb c}
test regexp-2.5 {getting substrings back from regexp} {
    set foo {}; set f1 {}; set f2 {}; set f3 {}; set f4 {}; set f5 {};
    set f6 {}; set f7 {}; set f8 {}; set f9 {}; set fa {}; set fb {};
    list [regexp (1*)(2*)(3*)(4*)(5*)(6*)(7*)(8*)(9*)(a*)(b*) \
	      12223345556789999aabbb \
	    foo f1 f2 f3 f4 f5 f6 f7 f8 f9 fa fb] $foo $f1 $f2 $f3 $f4 $f5 \
	    $f6 $f7 $f8 $f9 $fa $fb
} {1 12223345556789999aabbb 1 222 33 4 555 6 7 8 9999 aa bbb}
test regexp-2.6 {getting substrings back from regexp} {
    set foo 2; set f2 2; set f3 2; set f4 2
    list [regexp (a)(b)? xay foo f2 f3 f4] $foo $f2 $f3 $f4
} {1 a a {} {}}
test regexp-2.7 {getting substrings back from regexp} {
    set foo 1; set f2 1; set f3 1; set f4 1
    list [regexp (a)(b)?(c) xacy foo f2 f3 f4] $foo $f2 $f3 $f4
} {1 ac a {} c}
test regexp-2.8 {getting substrings back from regexp} {
    set match {}
    list [regexp {^a*b} aaaab match] $match
} {1 aaaab}
test regexp-2.9 {getting substrings back from regexp} {
    set foo {}
    set f2 {}
    list [regexp f\352te(b*)c f\352tebbbbc foo f2] $foo $f2
} [list 1 f\352tebbbbc bbbb]
test regexp-2.10 {getting substrings back from regexp} {
    set foo {}
    set f2 {}
    list [regexp f\352te(b*)c eff\352tebbbbc foo f2] $foo $f2
} [list 1 f\352tebbbbc bbbb]

test regexp-3.1 {-indices option to regexp} {
    set foo {}
    list [regexp -indices ab*c abbbbc foo] $foo
} {1 {0 5}}
test regexp-3.2 {-indices option to regexp} {
    set foo {}
    set f2 {}
    list [regexp -indices a(b*)c abbbbc foo f2] $foo $f2
} {1 {0 5} {1 4}}
test regexp-3.3 {-indices option to regexp} {
    set foo {}
    set f2 {}
    list [regexp -indices a(b*)(c) abbbbc foo f2] $foo $f2
} {1 {0 5} {1 4}}
test regexp-3.4 {-indices option to regexp} {
    set foo {}
    set f2 {}
    set f3 {}
    list [regexp -indices a(b*)(c) abbbbc foo f2 f3] $foo $f2 $f3
} {1 {0 5} {1 4} {5 5}}
test regexp-3.5 {-indices option to regexp} {
    set foo {}; set f1 {}; set f2 {}; set f3 {}; set f4 {}; set f5 {};
    set f6 {}; set f7 {}; set f8 {}; set f9 {}
    list [regexp -indices (1*)(2*)(3*)(4*)(5*)(6*)(7*)(8*)(9*) \
	    12223345556789999 \
	    foo f1 f2 f3 f4 f5 f6 f7 f8 f9] $foo $f1 $f2 $f3 $f4 $f5 \
	    $f6 $f7 $f8 $f9
} {1 {0 16} {0 0} {1 3} {4 5} {6 6} {7 9} {10 10} {11 11} {12 12} {13 16}}
test regexp-3.6 {getting substrings back from regexp} {
    set foo 2; set f2 2; set f3 2; set f4 2
    list [regexp -indices (a)(b)? xay foo f2 f3 f4] $foo $f2 $f3 $f4
} {1 {1 1} {1 1} {-1 -1} {-1 -1}}
test regexp-3.7 {getting substrings back from regexp} {
    set foo 1; set f2 1; set f3 1; set f4 1
    list [regexp -indices (a)(b)?(c) xacy foo f2 f3 f4] $foo $f2 $f3 $f4
} {1 {1 2} {1 1} {-1 -1} {2 2}}

test regexp-4.1 {-nocase option to regexp} {
    regexp -nocase foo abcFOo
} 1
test regexp-4.2 {-nocase option to regexp} {
    set f1 22
    set f2 33
    set f3 44
    list [regexp -nocase {a(b*)([xy]*)z} aBbbxYXxxZ22 f1 f2 f3] $f1 $f2 $f3
} {1 aBbbxYXxxZ Bbb xYXxx}
test regexp-4.3 {-nocase option to regexp} {
    regexp -nocase FOo abcFOo
} 1
set x abcdefghijklmnopqrstuvwxyz1234567890
set x $x$x$x$x$x$x$x$x$x$x$x$x
test regexp-4.4 {case conversion in regexp} {
    list [regexp -nocase $x $x foo] $foo
} "1 $x"
catch {unset x}

test regexp-5.1 {exercise cache of compiled expressions} {
    regexp .*a b
    regexp .*b c
    regexp .*c d
    regexp .*d e
    regexp .*e f
    regexp .*a bbba
} 1
test regexp-5.2 {exercise cache of compiled expressions} {
    regexp .*a b
    regexp .*b c
    regexp .*c d
    regexp .*d e
    regexp .*e f
    regexp .*b xxxb
} 1
test regexp-5.3 {exercise cache of compiled expressions} {
    regexp .*a b
    regexp .*b c
    regexp .*c d
    regexp .*d e
    regexp .*e f
    regexp .*c yyyc
} 1
test regexp-5.4 {exercise cache of compiled expressions} {
    regexp .*a b
    regexp .*b c
    regexp .*c d
    regexp .*d e
    regexp .*e f
    regexp .*d 1d
} 1
test regexp-5.5 {exercise cache of compiled expressions} {
    regexp .*a b
    regexp .*b c
    regexp .*c d
    regexp .*d e
    regexp .*e f
    regexp .*e xe
} 1

test regexp-6.1 {regexp errors} {
    list [catch {regexp a} msg] $msg
} {1 {wrong # args: should be "regexp ?-switch ...? exp string ?matchVar? ?subMatchVar ...?"}}
test regexp-6.2 {regexp errors} {
    list [catch {regexp -nocase a} msg] $msg
} {1 {wrong # args: should be "regexp ?-switch ...? exp string ?matchVar? ?subMatchVar ...?"}}
test regexp-6.3 {regexp errors} jim {
    list [catch {regexp -gorp a} msg] $msg
} {1 {bad switch "-gorp": must be --, -all, -indices, -inline, -line, -nocase, or -start}}
test regexp-6.4 {regexp errors} {
    catch {regexp a( b} msg
} 1
test regexp-6.5 {regexp errors} regexp_are {
    list [catch {regexp a) b} msg] [string match *parentheses* $msg]
} {1 1}
test regexp-6.6 {regexp errors} {
    list [catch {regexp a a f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1} msg] $msg
} {0 1}
test regexp-6.7 {regexp errors} {
    list [catch {regexp (x)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.) xyzzy} msg] $msg
} {0 0}
test regexp-6.8 {regexp errors} jim {
    catch {unset f1}
    set f1 44
    list [catch {regexp abc abc f1(f2)} msg] $msg
} {1 {can't set "f1(f2)": variable isn't array}}
test regexp-6.9 {regexp errors, -start bad int check} {
    list [catch {regexp -start bogus {^$} {}} msg] $msg
} {1 {bad index "bogus": must be intexpr or end?[+-]intexpr?}}
test regexp-6.10 {regexp errors, -start too few args} {
    list [catch {regexp -all -start} msg] $msg
} {1 {wrong # args: should be "regexp ?-switch ...? exp string ?matchVar? ?subMatchVar ...?"}}


test regexp-7.1 {basic regsub operation} {
    list [regsub aa+ xaxaaaxaa 111&222 foo] $foo
} {1 xax111aaa222xaa}
test regexp-7.2 {basic regsub operation} {
    list [regsub aa+ aaaxaa &111 foo] $foo
} {1 aaa111xaa}
test regexp-7.3 {basic regsub operation} {
    list [regsub aa+ xaxaaa 111& foo] $foo
} {1 xax111aaa}
test regexp-7.4 {basic regsub operation} {
    list [regsub aa+ aaa 11&2&333 foo] $foo
} {1 11aaa2aaa333}
test regexp-7.5 {basic regsub operation} {
    list [regsub aa+ xaxaaaxaa &2&333 foo] $foo
} {1 xaxaaa2aaa333xaa}
test regexp-7.6 {basic regsub operation} {
    list [regsub aa+ xaxaaaxaa 1&22& foo] $foo
} {1 xax1aaa22aaaxaa}
test regexp-7.7 {basic regsub operation} {
    list [regsub a(a+) xaxaaaxaa {1\122\1} foo] $foo
} {1 xax1aa22aaxaa}
test regexp-7.8 {basic regsub operation} {
    list [regsub a(a+) xaxaaaxaa {1\\\122\1} foo] $foo
} "1 {xax1\\aa22aaxaa}"
test regexp-7.9 {basic regsub operation} {
    list [regsub a(a+) xaxaaaxaa {1\\122\1} foo] $foo
} "1 {xax1\\122aaxaa}"
test regexp-7.10 {basic regsub operation} {
    list [regsub a(a+) xaxaaaxaa {1\\&\1} foo] $foo
} "1 {xax1\\aaaaaxaa}"
test regexp-7.11 {basic regsub operation} {
    list [regsub a(a+) xaxaaaxaa {1\&\1} foo] $foo
} {1 xax1&aaxaa}
test regexp-7.12 {basic regsub operation} {
    list [regsub a(a+) xaxaaaxaa {\1\1\1\1&&} foo] $foo
} {1 xaxaaaaaaaaaaaaaaxaa}
test regexp-7.13 {basic regsub operation} {
    set foo xxx
    list [regsub abc xyz 111 foo] $foo
} {0 xyz}
test regexp-7.14 {basic regsub operation} {
    set foo xxx
    list [regsub ^ xyz "111 " foo] $foo
} {1 {111 xyz}}
test regexp-7.15 {basic regsub operation} {
    set foo xxx
    list [regsub -- -foo abc-foodef "111 " foo] $foo
} {1 {abc111 def}}
test regexp-7.16 {basic regsub operation} {
    set foo xxx
    list [regsub x "" y foo] $foo
} {0 {}}
#test regexp-7.17 {regsub utf compliance} {
#    # if not UTF-8 aware, result is "0 1"
#    set foo "xyz555ijka\u4e4ebpqr"
#    regsub a\u4e4eb xyza\u4e4ebijka\u4e4ebpqr 555 bar
#    list [string compare $foo $bar] [regexp 4 $bar]
#} {0 0}

test regexp-8.1 {case conversion in regsub} {
    list [regsub -nocase a(a+) xaAAaAAay & foo] $foo
} {1 xaAAaAAay}
test regexp-8.2 {case conversion in regsub} {
    list [regsub -nocase a(a+) xaAAaAAay & foo] $foo
} {1 xaAAaAAay}
test regexp-8.3 {case conversion in regsub} {
    set foo 123
    list [regsub a(a+) xaAAaAAay & foo] $foo
} {0 xaAAaAAay}
test regexp-8.4 {case conversion in regsub} {
    set foo 123
    list [regsub -nocase a CaDE b foo] $foo
} {1 CbDE}
test regexp-8.5 {case conversion in regsub} {
    set foo 123
    list [regsub -nocase XYZ CxYzD b foo] $foo
} {1 CbD}
test regexp-8.6 {case conversion in regsub} {
    set x abcdefghijklmnopqrstuvwxyz1234567890
    set x $x$x$x$x$x$x$x$x$x$x$x$x
    set foo 123
    list [regsub -nocase $x $x b foo] $foo
} {1 b}

test regexp-9.1 {-all option to regsub} {
    set foo 86
    list [regsub -all x+ axxxbxxcxdx |&| foo] $foo
} {4 a|xxx|b|xx|c|x|d|x|}
test regexp-9.2 {-all option to regsub} {
    set foo 86
    list [regsub -nocase -all x+ aXxXbxxcXdx |&| foo] $foo
} {4 a|XxX|b|xx|c|X|d|x|}
test regexp-9.3 {-all option to regsub} {
    set foo 86
    list [regsub x+ axxxbxxcxdx |&| foo] $foo
} {1 a|xxx|bxxcxdx}
test regexp-9.4 {-all option to regsub} {
    set foo 86
    list [regsub -all bc axxxbxxcxdx |&| foo] $foo
} {0 axxxbxxcxdx}
test regexp-9.5 {-all option to regsub} {
    set foo xxx
    list [regsub -all node "node node more" yy foo] $foo
} {2 {yy yy more}}
test regexp-9.6 {-all option to regsub} {
    set foo xxx
    list [regsub -all ^ xxx 123 foo] $foo
} {1 123xxx}

test regexp-10.2 {newline sensitivity in regsub} {
    set foo xxx
    list [regsub -line {^a.*b$} "dabc\naxyb\n" 123 foo] $foo
} "1 {dabc\n123\n}"
test regexp-10.3 {newline sensitivity in regsub} {
    set foo xxx
    list [regsub -line {^a.*b$} "dabc\naxyb\nxb" 123 foo] $foo
} "1 {dabc\n123\nxb}"
#test regexp-10.4 {partial newline sensitivity in regsub} {
#    set foo xxx
#    list [regsub -lineanchor {^a.*b$} "da\naxyb\nxb" 123 foo] $foo
#} "1 {da\n123}"
#test regexp-10.5 {inverse partial newline sensitivity in regsub} {
#    set foo xxx
#    list [regsub -linestop {a.*b} "da\nbaxyb\nxb" 123 foo] $foo
#} "1 {da\nb123\nxb}"

test regexp-11.1 {regsub errors} {
    list [catch {regsub a b} msg] $msg
} {1 {wrong # args: should be "regsub ?-switch ...? exp string subSpec ?varName?"}}
test regexp-11.2 {regsub errors} {
    list [catch {regsub -nocase a b} msg] $msg
} {1 {wrong # args: should be "regsub ?-switch ...? exp string subSpec ?varName?"}}
test regexp-11.3 {regsub errors} {
    list [catch {regsub -nocase -all a b} msg] $msg
} {1 {wrong # args: should be "regsub ?-switch ...? exp string subSpec ?varName?"}}
test regexp-11.4 {regsub errors} {
    list [catch {regsub a b c d e f} msg] $msg
} {1 {wrong # args: should be "regsub ?-switch ...? exp string subSpec ?varName?"}}
test regexp-11.5 {regsub errors} -constraints jim -body {
    list [catch {regsub -gorp a b c} msg] $msg
} -result {1 {bad switch "-gorp": must be --, -all, -command, -line, -nocase, or -start}}
test regexp-11.6 {regsub errors} {
    catch {regsub -nocase a( b c d} msg
} 1
test regexp-11.7 {regsub errors} jim {
    catch {unset f1}
    set f1 44
    list [catch {regsub -nocase aaa aaa xxx f1(f2)} msg] $msg
} {1 {can't set "f1(f2)": variable isn't array}}
test regexp-11.8 {regsub errors, -start bad int check} {
    list [catch {regsub -start bogus pattern string rep var} msg] $msg
} {1 {bad index "bogus": must be intexpr or end?[+-]intexpr?}}
test regexp-11.9 {regsub without final variable name returns value} {
    regsub b abaca X
} {aXaca}
test regexp-11.10 {regsub without final variable name returns value} {
    regsub -all a abaca X
} {XbXcX}

test regexp-11.11 {regsub without final variable name returns value} {
    regsub b(\[^d\]*)d abcdeabcfde {,&,\1,}
} {a,bcd,c,eabcfde}
test regexp-11.12 {regsub without final variable name returns value} {
    regsub -all b(\[^d\]*)d abcdeabcfde {,&,\1,}
} {a,bcd,c,ea,bcfd,cf,e}
test regexp-11.13 {regsub errors, -start too few args} {
    list [catch {regsub -all -nocase -nocase -start} msg] $msg
} {1 {wrong # args: should be "regsub ?-switch ...? exp string subSpec ?varName?"}}


# This test crashes on the Mac unless you increase the Stack Space to about 1
# Meg.  This is probably bigger than most users want... 
# 8.2.3 regexp reduced stack space requirements, but this should be
# tested again
test regexp-12.1 {Tcl_RegExpExec: large number of subexpressions} {
    list [regexp (.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)(.) abcdefghijklmnopqrstuvwxyz all a b c d e f g h i j k l m n o p q r s t u v w x y z] $all $a $b $c $d $e $f $g $h $i $j $k $l $m $n $o $p $q $r $s $t $u $v $w $x $y $z
} {1 abcdefghijklmnopqrstuvwxyz a b c d e f g h i j k l m n o p q r s t u v w x y z}

test regexp-13.1 {regsub of a very large string} {
    # This test is designed to stress the memory subsystem in order
    # to catch Bug #933.  It only fails if the Tcl memory allocator
    # is in use.

    set line {BEGIN_TABLE ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; END_TABLE}
    set filedata [string repeat $line 200]
    for {set i 1} {$i<10} {incr i} {
	regsub -all "BEGIN_TABLE " $filedata "" newfiledata
    }
    set x done
} {done}

test regexp-14.1 {CompileRegexp: regexp cache} {
    regexp .*a b
    regexp .*b c
    regexp .*c d
    regexp .*d e
    regexp .*e f
    set x .
    append x *a
    regexp $x bbba
} 1
test regexp-14.2 {CompileRegexp: regexp cache, different flags} {
    regexp .*a b
    regexp .*b c
    regexp .*c d
    regexp .*d e
    regexp .*e f
    set x .
    append x *a
    regexp -nocase $x bbba
} 1

test regexp-15.1 {regexp -start} regexp_are {
    catch {unset x}
    list [regexp -start -10 {\d} 1abc2de3 x] $x
} {1 1}
test regexp-15.2 {regexp -start} regexp_are {
    catch {unset x}
    list [regexp -start 2 {\d} 1abc2de3 x] $x
} {1 2}
test regexp-15.3 {regexp -start} regexp_are {
    catch {unset x}
    list [regexp -start 4 {\d} 1abc2de3 x] $x
} {1 2}
test regexp-15.4 {regexp -start} regexp_are {
    catch {unset x}
    list [regexp -start 5 {\d} 1abc2de3 x] $x
} {1 3}
test regexp-15.5 {regexp -start, over end of string} regexp_are {
    catch {unset x}
    list [regexp -start [string length 1abc2de3] {\d} 1abc2de3 x] [info exists x]
} {0 0}
test regexp-15.6 {regexp -start, loss of ^$ behavior} {
    list [regexp -start 2 {^$} {}]
} {0}
test regexp-15.7 {regexp -start, double option} {
    regexp -start 2 -start 0 a abc
} 1
test regexp-15.8 {regexp -start, double option} {
    regexp -start 0 -start 2 a abc
} 0
test regexp-15.9 {regexp -start, end relative index} {
    catch {unset x}
    list [regexp -start end {\d} 1abc2de3 x] [info exists x]
} {0 0}
test regexp-15.10 {regexp -start, end relative index} regexp_are {
    catch {unset x}
    list [regexp -start end-1 {\d} 1abc2de3 x] [info exists x] $x
} {1 1 3}

test regexp-16.1 {regsub -start} regexp_are {
    catch {unset x}
    list [regsub -all -start 2 {\d} a1b2c3d4e5 {/&} x] $x
} {4 a1b/2c/3d/4e/5}
test regexp-16.2 {regsub -start} {
    catch {unset x}
    list [regsub -all -start -25 {z} hello {/&} x] $x
} {0 hello}
test regexp-16.3 {regsub -start} {
    catch {unset x}
    list [regsub -all -start 3 {z} hello {/&} x] $x
} {0 hello}
test regexp-16.4 {regsub -start, \A behavior} {
    set out {}
    lappend out [regsub -start 0 -all {\A(\w)} {abcde} {/\1} x] $x
    lappend out [regsub -start 2 -all {\A(\w)} {abcde} {/\1} x] $x
} {5 /a/b/c/d/e 3 ab/c/d/e}
test regexp-16.5 {regsub -start, double option} {
    list [regsub -start 2 -start 0 a abc c x] $x
} {1 cbc}
test regexp-16.6 {regsub -start, double option} {
    list [regsub -start 0 -start 2 a abc c x] $x
} {0 abc}
test regexp-16.7 {regexp -start, end relative index} {
    list [regsub -start end a aaa b x] $x
} {0 aaa}
test regexp-16.8 {regexp -start, end relative index} {
    list [regsub -start end-1 a aaa b x] $x
} {1 aab}

test regexp-17.1 {regexp -inline} {
    regexp -inline b ababa
} {b}
test regexp-17.2 {regexp -inline} {
    regexp -inline (b) ababa
} {b b}
test regexp-17.3 {regexp -inline -indices} {
    regexp -inline -indices (b) ababa
} {{1 1} {1 1}}
test regexp-17.4 {regexp -inline} regexp_are {
    regexp -inline {\w(\d+)\w} "   hello 23 there456def "
} {e456d 456}
test regexp-17.5 {regexp -inline no matches} {
    regexp -inline {\w(\d+)\w} ""
} {}
test regexp-17.6 {regexp -inline no matches} {
    regexp -inline hello goodbye
} {}
test regexp-17.7 {regexp -inline, no matchvars allowed} {
    list [catch {regexp -inline b abc match} msg] $msg
} {1 {regexp match variables not allowed when using -inline}}
test regexp-17.8 {\W, \S and \D} regexp_are {
    regexp -inline {(\W+)(\D+)(\S+)} " #!word  abc 13123  "
} {{ #!word  abc 13123} { #!} {word  abc } 13123}

test regexp-18.1 {regexp -all} {
    regexp -all b bbbbb
} {5}
test regexp-18.2 {regexp -all} {
    regexp -all b abababbabaaaaaaaaaab
} {6}
test regexp-18.3 {regexp -all -inline} {
    regexp -all -inline b abababbabaaaaaaaaaab
} {b b b b b b}
test regexp-18.4 {regexp -all -inline} regexp_are {
    regexp -all -inline {\w(\w)} abcdefg
} {ab b cd d ef f}
test regexp-18.5 {regexp -all -inline} regexp_are {
    regexp -all -inline {\w(\w)$} abcdefg
} {fg g}
test regexp-18.6 {regexp -all -inline} regexp_are {
    regexp -all -inline {\d+} 10:20:30:40
} {10 20 30 40}
test regexp-18.7 {regexp -all -inline} {
    list [catch {regexp -all -inline b abc match} msg] $msg
} {1 {regexp match variables not allowed when using -inline}}
test regexp-18.8 {regexp -all} {
    # This should not cause an infinite loop
    regexp -all -inline {a*} a
} {a}
test regexp-18.9 {regexp -all} {
    # Yes, the expected result is {a {}}.  Here's why:
    # Start at index 0; a* matches the "a" there then stops.
    # Go to index 1; a* matches the lambda (or {}) there then stops.  Recall
    #   that a* matches zero or more "a"'s; thus it matches the string "b", as
    #   there are zero or more "a"'s there.
    # Go to index 2; this is past the end of the string, so stop.
    regexp -all -inline {a*} ab
} {a {}}
test regexp-18.10 {regexp -all} {
    # Yes, the expected result is {a {} a}.  Here's why:
    # Start at index 0; a* matches the "a" there then stops.
    # Go to index 1; a* matches the lambda (or {}) there then stops.   Recall
    #   that a* matches zero or more "a"'s; thus it matches the string "b", as
    #   there are zero or more "a"'s there.
    # Go to index 2; a* matches the "a" there then stops.
    # Go to index 3; this is past the end of the string, so stop.
    regexp -all -inline {a*} aba
} {a {} a}
test regexp-18.11 {regexp -all} {
    regexp -all -inline {^a} aaaa
} {a}
test regexp-18.12 {regexp -all -inline -indices} {
    regexp -all -inline -indices a(b(c)d|e(f)g)h abcdhaefgh
} {{0 4} {1 3} {2 2} {-1 -1} {5 9} {6 8} {-1 -1} {7 7}}

test regexp-19.1 {regsub null replacement} {
    regsub -all {@} {@hel@lo@} "\0a\0" result
    list $result [string length $result]
} "\0a\0hel\0a\0lo\0a\0 14"

#test regexp-20.1 {regsub shared object shimmering} {
#    # Bug #461322
#    set a abcdefghijklmnopqurstuvwxyz 
#    set b $a 
#    set c abcdefghijklmnopqurstuvwxyz0123456789 
#    regsub $a $c $b d 
#    list $d [string length $d] [string bytelength $d]
#} [list abcdefghijklmnopqurstuvwxyz0123456789 37 37]
#test regexp-20.2 {regsub shared object shimmering with -about} {
#    eval regexp -about abc
#} {0 {}}

test regexp-21.1 {regsub works with empty string} {
    regsub -- ^ {} foo
} {foo}

test regexp-21.2 {regsub works with empty string} {
    regsub -- \$ {} foo
} {foo}

test regexp-21.3 {regsub works with empty string offset} {
    regsub -start 0 -- ^ {} foo
} {foo}

test regexp-21.4 {regsub works with empty string offset} {
    regsub -start 0 -- \$ {} foo
} {foo}

test regexp-21.5 {regsub works with empty string offset} {
    regsub -start 3 -- \$ {123} foo
} {123foo}

test regexp-21.6 {regexp works with empty string} {
    regexp -- ^ {}
} {1}

test regexp-21.7 {regexp works with empty string} {
    regexp -start 0 -- ^ {}
} {1}

test regexp-21.8 {regexp works with empty string offset} {
    regexp -start 3 -- ^ {123}
} {0}

test regexp-21.9 {regexp works with empty string offset} {
    regexp -start 3 -- \$ {123}
} {1}

#test regexp-21.10 {multiple matches handle newlines} {
#    regsub -all -lineanchor -- {^#[^\n]*\n} "#one\n#two\n#three\n" foo\n
#} "foo\nfoo\nfoo\n"

test regexp-21.11 {multiple matches handle newlines} {
    regsub -all -line -- ^ "a\nb\nc" \#
} "\#a\n\#b\n\#c"

test regexp-21.12 {multiple matches handle newlines} {
    regsub -all -line -- ^ "\n\n" \#
} "\#\n\#\n\#"

test regexp-21.13 {multiple matches handle newlines} {
    regexp -all -inline -indices -line -- ^ "a\nb\nc"
} {{0 -1} {2 1} {4 3}}

test regexp-21.14 {Literal newline in pattern} {
    regexp -all -inline "\n(\[ \t\]+)" "\n\t\t# This  is  a test"
} "{\n\t\t} {\t\t}"

test regexp-21.15 {Replace literal backslash} {
    regsub -all <bs> {<bs>abc<bs>def} \\ value
    set value
} "\\abc\\def"

test regexp-22.1 {char range} {
    regexp -all -inline {[a-c]+} "defaaghbcadfbaacccd"
} {aa bca baaccc}

# Tcl doesn't like this
test regexp-22.2 {reversed char range} jim {
    regexp -all -inline {[c-a]+} "defaaghbcadfbaacccd"
} {aa bca baaccc}

# Note that here the hex escapes are interpreted by regexp, not by Tcl
test regexp-22.3 {hex digits} {
    regexp -all -inline {[\x6a-\x6c]+} "jlaksdjflkwueorilkj"
} {jl k j lk lkj}

test regexp-22.4 {uppercase hex digits} {
    regexp -all -inline {[\x6A-\x6C]+} "jlaksdjflkwueorilkj"
} {jl k j lk lkj}

# Below \x9X will be treated as \x9 followed by X
test regexp-22.5 {invalid hex digits} {
    regexp -all -inline {[\x9X\x6C]+} "jla\tX6djflyw\tueorilkj"
} [list l \tX l \t l]

test regexp-22.6 {unicode hex digits} jim {
    regexp -all -inline {[\u{41}-\u{00043}]+} "AVBASDFBABDFBAFBAFA"
} {A BA BAB BA BA A}

# \u{X41} is treated as u { X 41 }
test regexp-22.7 {unicode hex digits with invalid exscape} jim {
    regexp -all -inline {[\u{X41}]+} "uVBAX{SD4B1}DFBAFBAFA"
} {u X\{ 4 1\}}

test regexp-22.8 {unicode hex digits} {
    regexp -all -inline {[\u0041-\u0043]+} "AVBASDFBABDFBAFBAFA"
} {A BA BAB BA BA A}

test regexp-22.9 {\U unicode hex digits} {
    regexp -all -inline {[\U00000041-\U00000043]+} "AVBASDFBABDFBAFBAFA"
} {A BA BAB BA BA A}

test regexp-22.10 {Various char escapes} {
    set result {}
    foreach match [regexp -all -inline {[\e\f\v\t\b]+} "A\f\vBB\b\tC\x1BG"] {
	set chars {}
	foreach c [split $match ""] {
	    scan $c %c char
	    lappend chars $char
	}
	lappend result [join $chars ,]
    }
    join $result |
} {12,11|8,9|27}

test regexp-22.11 {backslash as last char} -body {
    regexp -all -inline "\[a\\" "ba\\d\[ef"
} -returnCodes error -result {couldn't compile regular expression pattern: invalid escape \ sequence}

test regexp-22.12 {missing closing bracket} -body {
    regexp -all -inline {[abc} "abcdefghi"
} -returnCodes error -result {couldn't compile regular expression pattern: brackets [] not balanced}

test regexp-22.13 {empty alternative} {
    regexp -all -inline {a(a|b|)c} "aacbacbaa"
} {aac a ac {}}

test regexp-22.14 {] in set} {
    regexp -all -inline {[]ab]+} "aac\[ba\]cbaa"
} {aa ba\] baa}

test regexp-22.15 {- in set} {
    regexp -all -inline {[-ab]+} "aac\[ba\]cb-aa"
} {aa ba b-aa}

test regexp-22.16 {\s in set} {
    regexp -all -inline {[\sa]+} "aac\[b a\]c\tb-aa"
} [list aa " a" \t aa]

test regexp-22.17 {\d in set} {
    regexp -all -inline {[a\d]+} "a0ac\[b a\]44c\tb-1aa7"
} {a0a a 44 1aa7}

test regexp-27.1 {regsub -command} {
    regsub -command {.x.} {abcxdef} {string length}
} ab3ef
test regexp-27.2 {regsub -command} {
    regsub -command {.x.} {abcxdefxghi} {string length}
} ab3efxghi
test regexp-27.3 {regsub -command} {
    set x 0
    regsub -all -command {(.)} abcde {apply {args {string cat [incr ::x] [lindex $args 1]}}}
} 1a2b3c4d5e
test regexp-27.4 {regsub -command} -body {
    regsub -command {.x.} {abcxdef} error
} -returnCodes error -result cxd
test regexp-27.5 {regsub -command} {
    regsub -command {(.)(.)} {abcdef} {list ,}
} {, ab a bcdef}
test regexp-27.6 {regsub -command} {
    regsub -command -all {(.)(.)} {abcdef} {list ,}
} {, ab a b, cd c d, ef e f}
test regexp-27.7 {regsub -command representation smash} {
    set ::s {123=456 789}
    regsub -command -all {\d+} $::s {apply {n {
	expr {[llength $::s] + $n}
    }}}
} {125=458 791}
test regexp-27.8 {regsub -command representation smash} {
    set ::t {apply {n {
	expr {[llength [lindex $::t 1 1 1]] + $n}
    }}}
    regsub -command -all {\d+} "123=456 789" $::t
} {131=464 797}
test regexp-27.11 {regsub -command error cases} -returnCodes error -body {
    regsub -command . abc {}
} -result {command prefix must be a list of at least one element}
test regexp-27.12 {regsub -command representation smash} {
    set s {list (.+)}
    regsub -command $s {list list} $s
} {(.+) {list list} list}

# Tests resulting from bugs reported by users
test reg-31.1 {[[:xdigit:]] behaves correctly when followed by [[:space:]]} {
    set str {2:::DebugWin32}
    set re {([[:xdigit:]])([[:space:]]*)}
    list [regexp $re $str match xdigit spaces] $match $xdigit $spaces
    # Code used to produce {1 2:::DebugWin32 2 :::DebugWin32} !!!
} {1 2 2 {}}

test reg-31.2 {scanner not reset in failed optional group} {
    regexp -inline {^(?:(-)(?:(\w[\w-]*)\|)?)?(\w[\w-]*)$} -debug
} {-debug - {} debug}

test reg-31.2 {invalid digit check in class} -body {
  regexp {[[:digit:\0]} 1
} -returnCodes error -result {couldn't compile regular expression pattern: brackets [] not balanced}

test reg-31.3 {invalid trailing backslash} -body {
  regexp "\[abc\\" a
} -returnCodes error -result {couldn't compile regular expression pattern: invalid escape \ sequence}

testreport