Python code coverage for Lib/test/re_tests.py

#	count	content
1	n/a	#!/usr/bin/env python3
2	n/a	# -- mode: python --
3	n/a
4	n/a	# Re test suite and benchmark suite v1.5
5	n/a
6	n/a	# The 3 possible outcomes for each pattern
7	n/a	[SUCCEED, FAIL, SYNTAX_ERROR] = range(3)
8	n/a
9	n/a	# Benchmark suite (needs expansion)
10	n/a	#
11	n/a	# The benchmark suite does not test correctness, just speed. The
12	n/a	# first element of each tuple is the regex pattern; the second is a
13	n/a	# string to match it against. The benchmarking code will embed the
14	n/a	# second string inside several sizes of padding, to test how regex
15	n/a	# matching performs on large strings.
16	n/a
17	n/a	benchmarks = [
18	n/a
19	n/a	# test common prefix
20	n/a	('Python\|Perl', 'Perl'), # Alternation
21	n/a	('(Python\|Perl)', 'Perl'), # Grouped alternation
22	n/a
23	n/a	('Python\|Perl\|Tcl', 'Perl'), # Alternation
24	n/a	('(Python\|Perl\|Tcl)', 'Perl'), # Grouped alternation
25	n/a
26	n/a	('(Python)\\1', 'PythonPython'), # Backreference
27	n/a	('([0a-z][a-z0-9]*,)+', 'a5,b7,c9,'), # Disable the fastmap optimization
28	n/a	('([a-z][a-z0-9]*,)+', 'a5,b7,c9,'), # A few sets
29	n/a
30	n/a	('Python', 'Python'), # Simple text literal
31	n/a	('.*Python', 'Python'), # Bad text literal
32	n/a	('.Python.', 'Python'), # Worse text literal
33	n/a	('.*(Python)', 'Python'), # Bad text literal with grouping
34	n/a
35	n/a	]
36	n/a
37	n/a	# Test suite (for verifying correctness)
38	n/a	#
39	n/a	# The test suite is a list of 5- or 3-tuples. The 5 parts of a
40	n/a	# complete tuple are:
41	n/a	# element 0: a string containing the pattern
42	n/a	# 1: the string to match against the pattern
43	n/a	# 2: the expected result (SUCCEED, FAIL, SYNTAX_ERROR)
44	n/a	# 3: a string that will be eval()'ed to produce a test string.
45	n/a	# This is an arbitrary Python expression; the available
46	n/a	# variables are "found" (the whole match), and "g1", "g2", ...
47	n/a	# up to "g99" contain the contents of each group, or the
48	n/a	# string 'None' if the group wasn't given a value, or the
49	n/a	# string 'Error' if the group index was out of range;
50	n/a	# also "groups", the return value of m.group() (a tuple).
51	n/a	# 4: The expected result of evaluating the expression.
52	n/a	# If the two don't match, an error is reported.
53	n/a	#
54	n/a	# If the regex isn't expected to work, the latter two elements can be omitted.
55	n/a
56	n/a	tests = [
57	n/a	# Test ?P< and ?P= extensions
58	n/a	('(?P<foo_123', '', SYNTAX_ERROR), # Unterminated group identifier
59	n/a	('(?P<1>a)', '', SYNTAX_ERROR), # Begins with a digit
60	n/a	('(?P<!>a)', '', SYNTAX_ERROR), # Begins with an illegal char
61	n/a	('(?P<foo!>a)', '', SYNTAX_ERROR), # Begins with an illegal char
62	n/a
63	n/a	# Same tests, for the ?P= form
64	n/a	('(?P<foo_123>a)(?P=foo_123', 'aa', SYNTAX_ERROR),
65	n/a	('(?P<foo_123>a)(?P=1)', 'aa', SYNTAX_ERROR),
66	n/a	('(?P<foo_123>a)(?P=!)', 'aa', SYNTAX_ERROR),
67	n/a	('(?P<foo_123>a)(?P=foo_124', 'aa', SYNTAX_ERROR), # Backref to undefined group
68	n/a
69	n/a	('(?P<foo_123>a)', 'a', SUCCEED, 'g1', 'a'),
70	n/a	('(?P<foo_123>a)(?P=foo_123)', 'aa', SUCCEED, 'g1', 'a'),
71	n/a
72	n/a	# Test octal escapes
73	n/a	('\\1', 'a', SYNTAX_ERROR), # Backreference
74	n/a	('[\\1]', '\1', SUCCEED, 'found', '\1'), # Character
75	n/a	('\\09', chr(0) + '9', SUCCEED, 'found', chr(0) + '9'),
76	n/a	('\\141', 'a', SUCCEED, 'found', 'a'),
77	n/a	('(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)(l)\\119', 'abcdefghijklk9', SUCCEED, 'found+"-"+g11', 'abcdefghijklk9-k'),
78	n/a
79	n/a	# Test \0 is handled everywhere
80	n/a	(r'\0', '\0', SUCCEED, 'found', '\0'),
81	n/a	(r'[\0a]', '\0', SUCCEED, 'found', '\0'),
82	n/a	(r'[a\0]', '\0', SUCCEED, 'found', '\0'),
83	n/a	(r'[^a\0]', '\0', FAIL),
84	n/a
85	n/a	# Test various letter escapes
86	n/a	(r'\a[\b]\f\n\r\t\v', '\a\b\f\n\r\t\v', SUCCEED, 'found', '\a\b\f\n\r\t\v'),
87	n/a	(r'[\a][\b][\f][\n][\r][\t][\v]', '\a\b\f\n\r\t\v', SUCCEED, 'found', '\a\b\f\n\r\t\v'),
88	n/a	# NOTE: not an error under PCRE/PRE:
89	n/a	(r'\u', '', SYNTAX_ERROR), # A Perl escape
90	n/a	# (r'\c\e\g\h\i\j\k\m\o\p\q\y\z', 'ceghijkmopqyz', SUCCEED, 'found', 'ceghijkmopqyz'),
91	n/a	(r'\xff', '\377', SUCCEED, 'found', chr(255)),
92	n/a	# new \x semantics
93	n/a	(r'\x00ffffffffffffff', '\377', FAIL, 'found', chr(255)),
94	n/a	(r'\x00f', '\017', FAIL, 'found', chr(15)),
95	n/a	(r'\x00fe', '\376', FAIL, 'found', chr(254)),
96	n/a	# (r'\x00ffffffffffffff', '\377', SUCCEED, 'found', chr(255)),
97	n/a	# (r'\x00f', '\017', SUCCEED, 'found', chr(15)),
98	n/a	# (r'\x00fe', '\376', SUCCEED, 'found', chr(254)),
99	n/a
100	n/a	(r"^\w+=(\\[\000-\277]\|[^\n\\])*", "SRC=eval.c g.c blah blah blah \\\\\n\tapes.c",
101	n/a	SUCCEED, 'found', "SRC=eval.c g.c blah blah blah \\\\"),
102	n/a
103	n/a	# Test that . only matches \n in DOTALL mode
104	n/a	('a.b', 'acb', SUCCEED, 'found', 'acb'),
105	n/a	('a.b', 'a\nb', FAIL),
106	n/a	('a.*b', 'acc\nccb', FAIL),
107	n/a	('a.{4,5}b', 'acc\nccb', FAIL),
108	n/a	('a.b', 'a\rb', SUCCEED, 'found', 'a\rb'),
109	n/a	('(?s)a.b', 'a\nb', SUCCEED, 'found', 'a\nb'),
110	n/a	('(?s)a.*b', 'acc\nccb', SUCCEED, 'found', 'acc\nccb'),
111	n/a	('(?s)a.{4,5}b', 'acc\nccb', SUCCEED, 'found', 'acc\nccb'),
112	n/a	('(?s)a.b', 'a\nb', SUCCEED, 'found', 'a\nb'),
113	n/a
114	n/a	(')', '', SYNTAX_ERROR), # Unmatched right bracket
115	n/a	('', '', SUCCEED, 'found', ''), # Empty pattern
116	n/a	('abc', 'abc', SUCCEED, 'found', 'abc'),
117	n/a	('abc', 'xbc', FAIL),
118	n/a	('abc', 'axc', FAIL),
119	n/a	('abc', 'abx', FAIL),
120	n/a	('abc', 'xabcy', SUCCEED, 'found', 'abc'),
121	n/a	('abc', 'ababc', SUCCEED, 'found', 'abc'),
122	n/a	('ab*c', 'abc', SUCCEED, 'found', 'abc'),
123	n/a	('ab*bc', 'abc', SUCCEED, 'found', 'abc'),
124	n/a	('ab*bc', 'abbc', SUCCEED, 'found', 'abbc'),
125	n/a	('ab*bc', 'abbbbc', SUCCEED, 'found', 'abbbbc'),
126	n/a	('ab+bc', 'abbc', SUCCEED, 'found', 'abbc'),
127	n/a	('ab+bc', 'abc', FAIL),
128	n/a	('ab+bc', 'abq', FAIL),
129	n/a	('ab+bc', 'abbbbc', SUCCEED, 'found', 'abbbbc'),
130	n/a	('ab?bc', 'abbc', SUCCEED, 'found', 'abbc'),
131	n/a	('ab?bc', 'abc', SUCCEED, 'found', 'abc'),
132	n/a	('ab?bc', 'abbbbc', FAIL),
133	n/a	('ab?c', 'abc', SUCCEED, 'found', 'abc'),
134	n/a	('^abc$', 'abc', SUCCEED, 'found', 'abc'),
135	n/a	('^abc$', 'abcc', FAIL),
136	n/a	('^abc', 'abcc', SUCCEED, 'found', 'abc'),
137	n/a	('^abc$', 'aabc', FAIL),
138	n/a	('abc$', 'aabc', SUCCEED, 'found', 'abc'),
139	n/a	('^', 'abc', SUCCEED, 'found+"-"', '-'),
140	n/a	('$', 'abc', SUCCEED, 'found+"-"', '-'),
141	n/a	('a.c', 'abc', SUCCEED, 'found', 'abc'),
142	n/a	('a.c', 'axc', SUCCEED, 'found', 'axc'),
143	n/a	('a.*c', 'axyzc', SUCCEED, 'found', 'axyzc'),
144	n/a	('a.*c', 'axyzd', FAIL),
145	n/a	('a[bc]d', 'abc', FAIL),
146	n/a	('a[bc]d', 'abd', SUCCEED, 'found', 'abd'),
147	n/a	('a[b-d]e', 'abd', FAIL),
148	n/a	('a[b-d]e', 'ace', SUCCEED, 'found', 'ace'),
149	n/a	('a[b-d]', 'aac', SUCCEED, 'found', 'ac'),
150	n/a	('a[-b]', 'a-', SUCCEED, 'found', 'a-'),
151	n/a	('a[\\-b]', 'a-', SUCCEED, 'found', 'a-'),
152	n/a	# NOTE: not an error under PCRE/PRE:
153	n/a	# ('a[b-]', 'a-', SYNTAX_ERROR),
154	n/a	('a[]b', '-', SYNTAX_ERROR),
155	n/a	('a[', '-', SYNTAX_ERROR),
156	n/a	('a\\', '-', SYNTAX_ERROR),
157	n/a	('abc)', '-', SYNTAX_ERROR),
158	n/a	('(abc', '-', SYNTAX_ERROR),
159	n/a	('a]', 'a]', SUCCEED, 'found', 'a]'),
160	n/a	('a[]]b', 'a]b', SUCCEED, 'found', 'a]b'),
161	n/a	('a[\\]]b', 'a]b', SUCCEED, 'found', 'a]b'),
162	n/a	('a[^bc]d', 'aed', SUCCEED, 'found', 'aed'),
163	n/a	('a[^bc]d', 'abd', FAIL),
164	n/a	('a[^-b]c', 'adc', SUCCEED, 'found', 'adc'),
165	n/a	('a[^-b]c', 'a-c', FAIL),
166	n/a	('a[^]b]c', 'a]c', FAIL),
167	n/a	('a[^]b]c', 'adc', SUCCEED, 'found', 'adc'),
168	n/a	('\\ba\\b', 'a-', SUCCEED, '"-"', '-'),
169	n/a	('\\ba\\b', '-a', SUCCEED, '"-"', '-'),
170	n/a	('\\ba\\b', '-a-', SUCCEED, '"-"', '-'),
171	n/a	('\\by\\b', 'xy', FAIL),
172	n/a	('\\by\\b', 'yz', FAIL),
173	n/a	('\\by\\b', 'xyz', FAIL),
174	n/a	('x\\b', 'xyz', FAIL),
175	n/a	('x\\B', 'xyz', SUCCEED, '"-"', '-'),
176	n/a	('\\Bz', 'xyz', SUCCEED, '"-"', '-'),
177	n/a	('z\\B', 'xyz', FAIL),
178	n/a	('\\Bx', 'xyz', FAIL),
179	n/a	('\\Ba\\B', 'a-', FAIL, '"-"', '-'),
180	n/a	('\\Ba\\B', '-a', FAIL, '"-"', '-'),
181	n/a	('\\Ba\\B', '-a-', FAIL, '"-"', '-'),
182	n/a	('\\By\\B', 'xy', FAIL),
183	n/a	('\\By\\B', 'yz', FAIL),
184	n/a	('\\By\\b', 'xy', SUCCEED, '"-"', '-'),
185	n/a	('\\by\\B', 'yz', SUCCEED, '"-"', '-'),
186	n/a	('\\By\\B', 'xyz', SUCCEED, '"-"', '-'),
187	n/a	('ab\|cd', 'abc', SUCCEED, 'found', 'ab'),
188	n/a	('ab\|cd', 'abcd', SUCCEED, 'found', 'ab'),
189	n/a	('()ef', 'def', SUCCEED, 'found+"-"+g1', 'ef-'),
190	n/a	('$b', 'b', FAIL),
191	n/a	('a\\(b', 'a(b', SUCCEED, 'found+"-"+g1', 'a(b-Error'),
192	n/a	('a\\(*b', 'ab', SUCCEED, 'found', 'ab'),
193	n/a	('a\\(*b', 'a((b', SUCCEED, 'found', 'a((b'),
194	n/a	('a\\\\b', 'a\\b', SUCCEED, 'found', 'a\\b'),
195	n/a	('((a))', 'abc', SUCCEED, 'found+"-"+g1+"-"+g2', 'a-a-a'),
196	n/a	('(a)b(c)', 'abc', SUCCEED, 'found+"-"+g1+"-"+g2', 'abc-a-c'),
197	n/a	('a+b+c', 'aabbabc', SUCCEED, 'found', 'abc'),
198	n/a	('(a+\|b)*', 'ab', SUCCEED, 'found+"-"+g1', 'ab-b'),
199	n/a	('(a+\|b)+', 'ab', SUCCEED, 'found+"-"+g1', 'ab-b'),
200	n/a	('(a+\|b)?', 'ab', SUCCEED, 'found+"-"+g1', 'a-a'),
201	n/a	(')(', '-', SYNTAX_ERROR),
202	n/a	('[^ab]*', 'cde', SUCCEED, 'found', 'cde'),
203	n/a	('abc', '', FAIL),
204	n/a	('a*', '', SUCCEED, 'found', ''),
205	n/a	('a\|b\|c\|d\|e', 'e', SUCCEED, 'found', 'e'),
206	n/a	('(a\|b\|c\|d\|e)f', 'ef', SUCCEED, 'found+"-"+g1', 'ef-e'),
207	n/a	('abcd*efg', 'abcdefg', SUCCEED, 'found', 'abcdefg'),
208	n/a	('ab*', 'xabyabbbz', SUCCEED, 'found', 'ab'),
209	n/a	('ab*', 'xayabbbz', SUCCEED, 'found', 'a'),
210	n/a	('(ab\|cd)e', 'abcde', SUCCEED, 'found+"-"+g1', 'cde-cd'),
211	n/a	('[abhgefdc]ij', 'hij', SUCCEED, 'found', 'hij'),
212	n/a	('^(ab\|cd)e', 'abcde', FAIL, 'xg1y', 'xy'),
213	n/a	('(abc\|)ef', 'abcdef', SUCCEED, 'found+"-"+g1', 'ef-'),
214	n/a	('(a\|b)c*d', 'abcd', SUCCEED, 'found+"-"+g1', 'bcd-b'),
215	n/a	('(ab\|ab*)bc', 'abc', SUCCEED, 'found+"-"+g1', 'abc-a'),
216	n/a	('a([bc])c', 'abc', SUCCEED, 'found+"-"+g1', 'abc-bc'),
217	n/a	('a([bc])(cd)', 'abcd', SUCCEED, 'found+"-"+g1+"-"+g2', 'abcd-bc-d'),
218	n/a	('a([bc]+)(c*d)', 'abcd', SUCCEED, 'found+"-"+g1+"-"+g2', 'abcd-bc-d'),
219	n/a	('a([bc]*)(c+d)', 'abcd', SUCCEED, 'found+"-"+g1+"-"+g2', 'abcd-b-cd'),
220	n/a	('a[bcd]*dcdcde', 'adcdcde', SUCCEED, 'found', 'adcdcde'),
221	n/a	('a[bcd]+dcdcde', 'adcdcde', FAIL),
222	n/a	('(ab\|a)b*c', 'abc', SUCCEED, 'found+"-"+g1', 'abc-ab'),
223	n/a	('((a)(b)c)(d)', 'abcd', SUCCEED, 'g1+"-"+g2+"-"+g3+"-"+g4', 'abc-a-b-d'),
224	n/a	('[a-zA-Z_][a-zA-Z0-9_]*', 'alpha', SUCCEED, 'found', 'alpha'),
225	n/a	('^a(bc+\|b[eh])g\|.h$', 'abh', SUCCEED, 'found+"-"+g1', 'bh-None'),
226	n/a	('(bc+d$\|ef*g.\|h?i(j\|k))', 'effgz', SUCCEED, 'found+"-"+g1+"-"+g2', 'effgz-effgz-None'),
227	n/a	('(bc+d$\|ef*g.\|h?i(j\|k))', 'ij', SUCCEED, 'found+"-"+g1+"-"+g2', 'ij-ij-j'),
228	n/a	('(bc+d$\|ef*g.\|h?i(j\|k))', 'effg', FAIL),
229	n/a	('(bc+d$\|ef*g.\|h?i(j\|k))', 'bcdd', FAIL),
230	n/a	('(bc+d$\|ef*g.\|h?i(j\|k))', 'reffgz', SUCCEED, 'found+"-"+g1+"-"+g2', 'effgz-effgz-None'),
231	n/a	('(((((((((a)))))))))', 'a', SUCCEED, 'found', 'a'),
232	n/a	('multiple words of text', 'uh-uh', FAIL),
233	n/a	('multiple words', 'multiple words, yeah', SUCCEED, 'found', 'multiple words'),
234	n/a	('(.)c(.)', 'abcde', SUCCEED, 'found+"-"+g1+"-"+g2', 'abcde-ab-de'),
235	n/a	('\$(.), (.)\$', '(a, b)', SUCCEED, 'g2+"-"+g1', 'b-a'),
236	n/a	('[k]', 'ab', FAIL),
237	n/a	('a[-]?c', 'ac', SUCCEED, 'found', 'ac'),
238	n/a	('(abc)\\1', 'abcabc', SUCCEED, 'g1', 'abc'),
239	n/a	('([a-c]*)\\1', 'abcabc', SUCCEED, 'g1', 'abc'),
240	n/a	('^(.+)?B', 'AB', SUCCEED, 'g1', 'A'),
241	n/a	('(a+).\\1$', 'aaaaa', SUCCEED, 'found+"-"+g1', 'aaaaa-aa'),
242	n/a	('^(a+).\\1$', 'aaaa', FAIL),
243	n/a	('(abc)\\1', 'abcabc', SUCCEED, 'found+"-"+g1', 'abcabc-abc'),
244	n/a	('([a-c]+)\\1', 'abcabc', SUCCEED, 'found+"-"+g1', 'abcabc-abc'),
245	n/a	('(a)\\1', 'aa', SUCCEED, 'found+"-"+g1', 'aa-a'),
246	n/a	('(a+)\\1', 'aa', SUCCEED, 'found+"-"+g1', 'aa-a'),
247	n/a	('(a+)+\\1', 'aa', SUCCEED, 'found+"-"+g1', 'aa-a'),
248	n/a	('(a).+\\1', 'aba', SUCCEED, 'found+"-"+g1', 'aba-a'),
249	n/a	('(a)ba*\\1', 'aba', SUCCEED, 'found+"-"+g1', 'aba-a'),
250	n/a	('(aa\|a)a\\1$', 'aaa', SUCCEED, 'found+"-"+g1', 'aaa-a'),
251	n/a	('(a\|aa)a\\1$', 'aaa', SUCCEED, 'found+"-"+g1', 'aaa-a'),
252	n/a	('(a+)a\\1$', 'aaa', SUCCEED, 'found+"-"+g1', 'aaa-a'),
253	n/a	('([abc]*)\\1', 'abcabc', SUCCEED, 'found+"-"+g1', 'abcabc-abc'),
254	n/a	('(a)(b)c\|ab', 'ab', SUCCEED, 'found+"-"+g1+"-"+g2', 'ab-None-None'),
255	n/a	('(a)+x', 'aaax', SUCCEED, 'found+"-"+g1', 'aaax-a'),
256	n/a	('([ac])+x', 'aacx', SUCCEED, 'found+"-"+g1', 'aacx-c'),
257	n/a	('([^/]/)sub1/', 'd:msgs/tdir/sub1/trial/away.cpp', SUCCEED, 'found+"-"+g1', 'd:msgs/tdir/sub1/-tdir/'),
258	n/a	('([^.])\\.([^:]):[T ]+(.*)', 'track1.title:TBlah blah blah', SUCCEED, 'found+"-"+g1+"-"+g2+"-"+g3', 'track1.title:TBlah blah blah-track1-title-Blah blah blah'),
259	n/a	('([^N]*N)+', 'abNNxyzN', SUCCEED, 'found+"-"+g1', 'abNNxyzN-xyzN'),
260	n/a	('([^N]*N)+', 'abNNxyz', SUCCEED, 'found+"-"+g1', 'abNN-N'),
261	n/a	('([abc]*)x', 'abcx', SUCCEED, 'found+"-"+g1', 'abcx-abc'),
262	n/a	('([abc]*)x', 'abc', FAIL),
263	n/a	('([xyz]*)x', 'abcx', SUCCEED, 'found+"-"+g1', 'x-'),
264	n/a	('(a)+b\|aac', 'aac', SUCCEED, 'found+"-"+g1', 'aac-None'),
265	n/a
266	n/a	# Test symbolic groups
267	n/a
268	n/a	('(?P<i d>aaa)a', 'aaaa', SYNTAX_ERROR),
269	n/a	('(?P<id>aaa)a', 'aaaa', SUCCEED, 'found+"-"+id', 'aaaa-aaa'),
270	n/a	('(?P<id>aa)(?P=id)', 'aaaa', SUCCEED, 'found+"-"+id', 'aaaa-aa'),
271	n/a	('(?P<id>aa)(?P=xd)', 'aaaa', SYNTAX_ERROR),
272	n/a
273	n/a	# Test octal escapes/memory references
274	n/a
275	n/a	('\\1', 'a', SYNTAX_ERROR),
276	n/a	('\\09', chr(0) + '9', SUCCEED, 'found', chr(0) + '9'),
277	n/a	('\\141', 'a', SUCCEED, 'found', 'a'),
278	n/a	('(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)(l)\\119', 'abcdefghijklk9', SUCCEED, 'found+"-"+g11', 'abcdefghijklk9-k'),
279	n/a
280	n/a	# All tests from Perl
281	n/a
282	n/a	('abc', 'abc', SUCCEED, 'found', 'abc'),
283	n/a	('abc', 'xbc', FAIL),
284	n/a	('abc', 'axc', FAIL),
285	n/a	('abc', 'abx', FAIL),
286	n/a	('abc', 'xabcy', SUCCEED, 'found', 'abc'),
287	n/a	('abc', 'ababc', SUCCEED, 'found', 'abc'),
288	n/a	('ab*c', 'abc', SUCCEED, 'found', 'abc'),
289	n/a	('ab*bc', 'abc', SUCCEED, 'found', 'abc'),
290	n/a	('ab*bc', 'abbc', SUCCEED, 'found', 'abbc'),
291	n/a	('ab*bc', 'abbbbc', SUCCEED, 'found', 'abbbbc'),
292	n/a	('ab{0,}bc', 'abbbbc', SUCCEED, 'found', 'abbbbc'),
293	n/a	('ab+bc', 'abbc', SUCCEED, 'found', 'abbc'),
294	n/a	('ab+bc', 'abc', FAIL),
295	n/a	('ab+bc', 'abq', FAIL),
296	n/a	('ab{1,}bc', 'abq', FAIL),
297	n/a	('ab+bc', 'abbbbc', SUCCEED, 'found', 'abbbbc'),
298	n/a	('ab{1,}bc', 'abbbbc', SUCCEED, 'found', 'abbbbc'),
299	n/a	('ab{1,3}bc', 'abbbbc', SUCCEED, 'found', 'abbbbc'),
300	n/a	('ab{3,4}bc', 'abbbbc', SUCCEED, 'found', 'abbbbc'),
301	n/a	('ab{4,5}bc', 'abbbbc', FAIL),
302	n/a	('ab?bc', 'abbc', SUCCEED, 'found', 'abbc'),
303	n/a	('ab?bc', 'abc', SUCCEED, 'found', 'abc'),
304	n/a	('ab{0,1}bc', 'abc', SUCCEED, 'found', 'abc'),
305	n/a	('ab?bc', 'abbbbc', FAIL),
306	n/a	('ab?c', 'abc', SUCCEED, 'found', 'abc'),
307	n/a	('ab{0,1}c', 'abc', SUCCEED, 'found', 'abc'),
308	n/a	('^abc$', 'abc', SUCCEED, 'found', 'abc'),
309	n/a	('^abc$', 'abcc', FAIL),
310	n/a	('^abc', 'abcc', SUCCEED, 'found', 'abc'),
311	n/a	('^abc$', 'aabc', FAIL),
312	n/a	('abc$', 'aabc', SUCCEED, 'found', 'abc'),
313	n/a	('^', 'abc', SUCCEED, 'found', ''),
314	n/a	('$', 'abc', SUCCEED, 'found', ''),
315	n/a	('a.c', 'abc', SUCCEED, 'found', 'abc'),
316	n/a	('a.c', 'axc', SUCCEED, 'found', 'axc'),
317	n/a	('a.*c', 'axyzc', SUCCEED, 'found', 'axyzc'),
318	n/a	('a.*c', 'axyzd', FAIL),
319	n/a	('a[bc]d', 'abc', FAIL),
320	n/a	('a[bc]d', 'abd', SUCCEED, 'found', 'abd'),
321	n/a	('a[b-d]e', 'abd', FAIL),
322	n/a	('a[b-d]e', 'ace', SUCCEED, 'found', 'ace'),
323	n/a	('a[b-d]', 'aac', SUCCEED, 'found', 'ac'),
324	n/a	('a[-b]', 'a-', SUCCEED, 'found', 'a-'),
325	n/a	('a[b-]', 'a-', SUCCEED, 'found', 'a-'),
326	n/a	('a[b-a]', '-', SYNTAX_ERROR),
327	n/a	('a[]b', '-', SYNTAX_ERROR),
328	n/a	('a[', '-', SYNTAX_ERROR),
329	n/a	('a]', 'a]', SUCCEED, 'found', 'a]'),
330	n/a	('a[]]b', 'a]b', SUCCEED, 'found', 'a]b'),
331	n/a	('a[^bc]d', 'aed', SUCCEED, 'found', 'aed'),
332	n/a	('a[^bc]d', 'abd', FAIL),
333	n/a	('a[^-b]c', 'adc', SUCCEED, 'found', 'adc'),
334	n/a	('a[^-b]c', 'a-c', FAIL),
335	n/a	('a[^]b]c', 'a]c', FAIL),
336	n/a	('a[^]b]c', 'adc', SUCCEED, 'found', 'adc'),
337	n/a	('ab\|cd', 'abc', SUCCEED, 'found', 'ab'),
338	n/a	('ab\|cd', 'abcd', SUCCEED, 'found', 'ab'),
339	n/a	('()ef', 'def', SUCCEED, 'found+"-"+g1', 'ef-'),
340	n/a	('*a', '-', SYNTAX_ERROR),
341	n/a	('(*)b', '-', SYNTAX_ERROR),
342	n/a	('$b', 'b', FAIL),
343	n/a	('a\\', '-', SYNTAX_ERROR),
344	n/a	('a\\(b', 'a(b', SUCCEED, 'found+"-"+g1', 'a(b-Error'),
345	n/a	('a\\(*b', 'ab', SUCCEED, 'found', 'ab'),
346	n/a	('a\\(*b', 'a((b', SUCCEED, 'found', 'a((b'),
347	n/a	('a\\\\b', 'a\\b', SUCCEED, 'found', 'a\\b'),
348	n/a	('abc)', '-', SYNTAX_ERROR),
349	n/a	('(abc', '-', SYNTAX_ERROR),
350	n/a	('((a))', 'abc', SUCCEED, 'found+"-"+g1+"-"+g2', 'a-a-a'),
351	n/a	('(a)b(c)', 'abc', SUCCEED, 'found+"-"+g1+"-"+g2', 'abc-a-c'),
352	n/a	('a+b+c', 'aabbabc', SUCCEED, 'found', 'abc'),
353	n/a	('a{1,}b{1,}c', 'aabbabc', SUCCEED, 'found', 'abc'),
354	n/a	('a**', '-', SYNTAX_ERROR),
355	n/a	('a.+?c', 'abcabc', SUCCEED, 'found', 'abc'),
356	n/a	('(a+\|b)*', 'ab', SUCCEED, 'found+"-"+g1', 'ab-b'),
357	n/a	('(a+\|b){0,}', 'ab', SUCCEED, 'found+"-"+g1', 'ab-b'),
358	n/a	('(a+\|b)+', 'ab', SUCCEED, 'found+"-"+g1', 'ab-b'),
359	n/a	('(a+\|b){1,}', 'ab', SUCCEED, 'found+"-"+g1', 'ab-b'),
360	n/a	('(a+\|b)?', 'ab', SUCCEED, 'found+"-"+g1', 'a-a'),
361	n/a	('(a+\|b){0,1}', 'ab', SUCCEED, 'found+"-"+g1', 'a-a'),
362	n/a	(')(', '-', SYNTAX_ERROR),
363	n/a	('[^ab]*', 'cde', SUCCEED, 'found', 'cde'),
364	n/a	('abc', '', FAIL),
365	n/a	('a*', '', SUCCEED, 'found', ''),
366	n/a	('([abc])*d', 'abbbcd', SUCCEED, 'found+"-"+g1', 'abbbcd-c'),
367	n/a	('([abc])*bcd', 'abcd', SUCCEED, 'found+"-"+g1', 'abcd-a'),
368	n/a	('a\|b\|c\|d\|e', 'e', SUCCEED, 'found', 'e'),
369	n/a	('(a\|b\|c\|d\|e)f', 'ef', SUCCEED, 'found+"-"+g1', 'ef-e'),
370	n/a	('abcd*efg', 'abcdefg', SUCCEED, 'found', 'abcdefg'),
371	n/a	('ab*', 'xabyabbbz', SUCCEED, 'found', 'ab'),
372	n/a	('ab*', 'xayabbbz', SUCCEED, 'found', 'a'),
373	n/a	('(ab\|cd)e', 'abcde', SUCCEED, 'found+"-"+g1', 'cde-cd'),
374	n/a	('[abhgefdc]ij', 'hij', SUCCEED, 'found', 'hij'),
375	n/a	('^(ab\|cd)e', 'abcde', FAIL),
376	n/a	('(abc\|)ef', 'abcdef', SUCCEED, 'found+"-"+g1', 'ef-'),
377	n/a	('(a\|b)c*d', 'abcd', SUCCEED, 'found+"-"+g1', 'bcd-b'),
378	n/a	('(ab\|ab*)bc', 'abc', SUCCEED, 'found+"-"+g1', 'abc-a'),
379	n/a	('a([bc])c', 'abc', SUCCEED, 'found+"-"+g1', 'abc-bc'),
380	n/a	('a([bc])(cd)', 'abcd', SUCCEED, 'found+"-"+g1+"-"+g2', 'abcd-bc-d'),
381	n/a	('a([bc]+)(c*d)', 'abcd', SUCCEED, 'found+"-"+g1+"-"+g2', 'abcd-bc-d'),
382	n/a	('a([bc]*)(c+d)', 'abcd', SUCCEED, 'found+"-"+g1+"-"+g2', 'abcd-b-cd'),
383	n/a	('a[bcd]*dcdcde', 'adcdcde', SUCCEED, 'found', 'adcdcde'),
384	n/a	('a[bcd]+dcdcde', 'adcdcde', FAIL),
385	n/a	('(ab\|a)b*c', 'abc', SUCCEED, 'found+"-"+g1', 'abc-ab'),
386	n/a	('((a)(b)c)(d)', 'abcd', SUCCEED, 'g1+"-"+g2+"-"+g3+"-"+g4', 'abc-a-b-d'),
387	n/a	('[a-zA-Z_][a-zA-Z0-9_]*', 'alpha', SUCCEED, 'found', 'alpha'),
388	n/a	('^a(bc+\|b[eh])g\|.h$', 'abh', SUCCEED, 'found+"-"+g1', 'bh-None'),
389	n/a	('(bc+d$\|ef*g.\|h?i(j\|k))', 'effgz', SUCCEED, 'found+"-"+g1+"-"+g2', 'effgz-effgz-None'),
390	n/a	('(bc+d$\|ef*g.\|h?i(j\|k))', 'ij', SUCCEED, 'found+"-"+g1+"-"+g2', 'ij-ij-j'),
391	n/a	('(bc+d$\|ef*g.\|h?i(j\|k))', 'effg', FAIL),
392	n/a	('(bc+d$\|ef*g.\|h?i(j\|k))', 'bcdd', FAIL),
393	n/a	('(bc+d$\|ef*g.\|h?i(j\|k))', 'reffgz', SUCCEED, 'found+"-"+g1+"-"+g2', 'effgz-effgz-None'),
394	n/a	('((((((((((a))))))))))', 'a', SUCCEED, 'g10', 'a'),
395	n/a	('((((((((((a))))))))))\\10', 'aa', SUCCEED, 'found', 'aa'),
396	n/a	# Python does not have the same rules for \\41 so this is a syntax error
397	n/a	# ('((((((((((a))))))))))\\41', 'aa', FAIL),
398	n/a	# ('((((((((((a))))))))))\\41', 'a!', SUCCEED, 'found', 'a!'),
399	n/a	('((((((((((a))))))))))\\41', '', SYNTAX_ERROR),
400	n/a	('(?i)((((((((((a))))))))))\\41', '', SYNTAX_ERROR),
401	n/a	('(((((((((a)))))))))', 'a', SUCCEED, 'found', 'a'),
402	n/a	('multiple words of text', 'uh-uh', FAIL),
403	n/a	('multiple words', 'multiple words, yeah', SUCCEED, 'found', 'multiple words'),
404	n/a	('(.)c(.)', 'abcde', SUCCEED, 'found+"-"+g1+"-"+g2', 'abcde-ab-de'),
405	n/a	('\$(.), (.)\$', '(a, b)', SUCCEED, 'g2+"-"+g1', 'b-a'),
406	n/a	('[k]', 'ab', FAIL),
407	n/a	('a[-]?c', 'ac', SUCCEED, 'found', 'ac'),
408	n/a	('(abc)\\1', 'abcabc', SUCCEED, 'g1', 'abc'),
409	n/a	('([a-c]*)\\1', 'abcabc', SUCCEED, 'g1', 'abc'),
410	n/a	('(?i)abc', 'ABC', SUCCEED, 'found', 'ABC'),
411	n/a	('(?i)abc', 'XBC', FAIL),
412	n/a	('(?i)abc', 'AXC', FAIL),
413	n/a	('(?i)abc', 'ABX', FAIL),
414	n/a	('(?i)abc', 'XABCY', SUCCEED, 'found', 'ABC'),
415	n/a	('(?i)abc', 'ABABC', SUCCEED, 'found', 'ABC'),
416	n/a	('(?i)ab*c', 'ABC', SUCCEED, 'found', 'ABC'),
417	n/a	('(?i)ab*bc', 'ABC', SUCCEED, 'found', 'ABC'),
418	n/a	('(?i)ab*bc', 'ABBC', SUCCEED, 'found', 'ABBC'),
419	n/a	('(?i)ab*?bc', 'ABBBBC', SUCCEED, 'found', 'ABBBBC'),
420	n/a	('(?i)ab{0,}?bc', 'ABBBBC', SUCCEED, 'found', 'ABBBBC'),
421	n/a	('(?i)ab+?bc', 'ABBC', SUCCEED, 'found', 'ABBC'),
422	n/a	('(?i)ab+bc', 'ABC', FAIL),
423	n/a	('(?i)ab+bc', 'ABQ', FAIL),
424	n/a	('(?i)ab{1,}bc', 'ABQ', FAIL),
425	n/a	('(?i)ab+bc', 'ABBBBC', SUCCEED, 'found', 'ABBBBC'),
426	n/a	('(?i)ab{1,}?bc', 'ABBBBC', SUCCEED, 'found', 'ABBBBC'),
427	n/a	('(?i)ab{1,3}?bc', 'ABBBBC', SUCCEED, 'found', 'ABBBBC'),
428	n/a	('(?i)ab{3,4}?bc', 'ABBBBC', SUCCEED, 'found', 'ABBBBC'),
429	n/a	('(?i)ab{4,5}?bc', 'ABBBBC', FAIL),
430	n/a	('(?i)ab??bc', 'ABBC', SUCCEED, 'found', 'ABBC'),
431	n/a	('(?i)ab??bc', 'ABC', SUCCEED, 'found', 'ABC'),
432	n/a	('(?i)ab{0,1}?bc', 'ABC', SUCCEED, 'found', 'ABC'),
433	n/a	('(?i)ab??bc', 'ABBBBC', FAIL),
434	n/a	('(?i)ab??c', 'ABC', SUCCEED, 'found', 'ABC'),
435	n/a	('(?i)ab{0,1}?c', 'ABC', SUCCEED, 'found', 'ABC'),
436	n/a	('(?i)^abc$', 'ABC', SUCCEED, 'found', 'ABC'),
437	n/a	('(?i)^abc$', 'ABCC', FAIL),
438	n/a	('(?i)^abc', 'ABCC', SUCCEED, 'found', 'ABC'),
439	n/a	('(?i)^abc$', 'AABC', FAIL),
440	n/a	('(?i)abc$', 'AABC', SUCCEED, 'found', 'ABC'),
441	n/a	('(?i)^', 'ABC', SUCCEED, 'found', ''),
442	n/a	('(?i)$', 'ABC', SUCCEED, 'found', ''),
443	n/a	('(?i)a.c', 'ABC', SUCCEED, 'found', 'ABC'),
444	n/a	('(?i)a.c', 'AXC', SUCCEED, 'found', 'AXC'),
445	n/a	('(?i)a.*?c', 'AXYZC', SUCCEED, 'found', 'AXYZC'),
446	n/a	('(?i)a.*c', 'AXYZD', FAIL),
447	n/a	('(?i)a[bc]d', 'ABC', FAIL),
448	n/a	('(?i)a[bc]d', 'ABD', SUCCEED, 'found', 'ABD'),
449	n/a	('(?i)a[b-d]e', 'ABD', FAIL),
450	n/a	('(?i)a[b-d]e', 'ACE', SUCCEED, 'found', 'ACE'),
451	n/a	('(?i)a[b-d]', 'AAC', SUCCEED, 'found', 'AC'),
452	n/a	('(?i)a[-b]', 'A-', SUCCEED, 'found', 'A-'),
453	n/a	('(?i)a[b-]', 'A-', SUCCEED, 'found', 'A-'),
454	n/a	('(?i)a[b-a]', '-', SYNTAX_ERROR),
455	n/a	('(?i)a[]b', '-', SYNTAX_ERROR),
456	n/a	('(?i)a[', '-', SYNTAX_ERROR),
457	n/a	('(?i)a]', 'A]', SUCCEED, 'found', 'A]'),
458	n/a	('(?i)a[]]b', 'A]B', SUCCEED, 'found', 'A]B'),
459	n/a	('(?i)a[^bc]d', 'AED', SUCCEED, 'found', 'AED'),
460	n/a	('(?i)a[^bc]d', 'ABD', FAIL),
461	n/a	('(?i)a[^-b]c', 'ADC', SUCCEED, 'found', 'ADC'),
462	n/a	('(?i)a[^-b]c', 'A-C', FAIL),
463	n/a	('(?i)a[^]b]c', 'A]C', FAIL),
464	n/a	('(?i)a[^]b]c', 'ADC', SUCCEED, 'found', 'ADC'),
465	n/a	('(?i)ab\|cd', 'ABC', SUCCEED, 'found', 'AB'),
466	n/a	('(?i)ab\|cd', 'ABCD', SUCCEED, 'found', 'AB'),
467	n/a	('(?i)()ef', 'DEF', SUCCEED, 'found+"-"+g1', 'EF-'),
468	n/a	('(?i)*a', '-', SYNTAX_ERROR),
469	n/a	('(?i)(*)b', '-', SYNTAX_ERROR),
470	n/a	('(?i)$b', 'B', FAIL),
471	n/a	('(?i)a\\', '-', SYNTAX_ERROR),
472	n/a	('(?i)a\\(b', 'A(B', SUCCEED, 'found+"-"+g1', 'A(B-Error'),
473	n/a	('(?i)a\\(*b', 'AB', SUCCEED, 'found', 'AB'),
474	n/a	('(?i)a\\(*b', 'A((B', SUCCEED, 'found', 'A((B'),
475	n/a	('(?i)a\\\\b', 'A\\B', SUCCEED, 'found', 'A\\B'),
476	n/a	('(?i)abc)', '-', SYNTAX_ERROR),
477	n/a	('(?i)(abc', '-', SYNTAX_ERROR),
478	n/a	('(?i)((a))', 'ABC', SUCCEED, 'found+"-"+g1+"-"+g2', 'A-A-A'),
479	n/a	('(?i)(a)b(c)', 'ABC', SUCCEED, 'found+"-"+g1+"-"+g2', 'ABC-A-C'),
480	n/a	('(?i)a+b+c', 'AABBABC', SUCCEED, 'found', 'ABC'),
481	n/a	('(?i)a{1,}b{1,}c', 'AABBABC', SUCCEED, 'found', 'ABC'),
482	n/a	('(?i)a**', '-', SYNTAX_ERROR),
483	n/a	('(?i)a.+?c', 'ABCABC', SUCCEED, 'found', 'ABC'),
484	n/a	('(?i)a.*?c', 'ABCABC', SUCCEED, 'found', 'ABC'),
485	n/a	('(?i)a.{0,5}?c', 'ABCABC', SUCCEED, 'found', 'ABC'),
486	n/a	('(?i)(a+\|b)*', 'AB', SUCCEED, 'found+"-"+g1', 'AB-B'),
487	n/a	('(?i)(a+\|b){0,}', 'AB', SUCCEED, 'found+"-"+g1', 'AB-B'),
488	n/a	('(?i)(a+\|b)+', 'AB', SUCCEED, 'found+"-"+g1', 'AB-B'),
489	n/a	('(?i)(a+\|b){1,}', 'AB', SUCCEED, 'found+"-"+g1', 'AB-B'),
490	n/a	('(?i)(a+\|b)?', 'AB', SUCCEED, 'found+"-"+g1', 'A-A'),
491	n/a	('(?i)(a+\|b){0,1}', 'AB', SUCCEED, 'found+"-"+g1', 'A-A'),
492	n/a	('(?i)(a+\|b){0,1}?', 'AB', SUCCEED, 'found+"-"+g1', '-None'),
493	n/a	('(?i))(', '-', SYNTAX_ERROR),
494	n/a	('(?i)[^ab]*', 'CDE', SUCCEED, 'found', 'CDE'),
495	n/a	('(?i)abc', '', FAIL),
496	n/a	('(?i)a*', '', SUCCEED, 'found', ''),
497	n/a	('(?i)([abc])*d', 'ABBBCD', SUCCEED, 'found+"-"+g1', 'ABBBCD-C'),
498	n/a	('(?i)([abc])*bcd', 'ABCD', SUCCEED, 'found+"-"+g1', 'ABCD-A'),
499	n/a	('(?i)a\|b\|c\|d\|e', 'E', SUCCEED, 'found', 'E'),
500	n/a	('(?i)(a\|b\|c\|d\|e)f', 'EF', SUCCEED, 'found+"-"+g1', 'EF-E'),
501	n/a	('(?i)abcd*efg', 'ABCDEFG', SUCCEED, 'found', 'ABCDEFG'),
502	n/a	('(?i)ab*', 'XABYABBBZ', SUCCEED, 'found', 'AB'),
503	n/a	('(?i)ab*', 'XAYABBBZ', SUCCEED, 'found', 'A'),
504	n/a	('(?i)(ab\|cd)e', 'ABCDE', SUCCEED, 'found+"-"+g1', 'CDE-CD'),
505	n/a	('(?i)[abhgefdc]ij', 'HIJ', SUCCEED, 'found', 'HIJ'),
506	n/a	('(?i)^(ab\|cd)e', 'ABCDE', FAIL),
507	n/a	('(?i)(abc\|)ef', 'ABCDEF', SUCCEED, 'found+"-"+g1', 'EF-'),
508	n/a	('(?i)(a\|b)c*d', 'ABCD', SUCCEED, 'found+"-"+g1', 'BCD-B'),
509	n/a	('(?i)(ab\|ab*)bc', 'ABC', SUCCEED, 'found+"-"+g1', 'ABC-A'),
510	n/a	('(?i)a([bc])c', 'ABC', SUCCEED, 'found+"-"+g1', 'ABC-BC'),
511	n/a	('(?i)a([bc])(cd)', 'ABCD', SUCCEED, 'found+"-"+g1+"-"+g2', 'ABCD-BC-D'),
512	n/a	('(?i)a([bc]+)(c*d)', 'ABCD', SUCCEED, 'found+"-"+g1+"-"+g2', 'ABCD-BC-D'),
513	n/a	('(?i)a([bc]*)(c+d)', 'ABCD', SUCCEED, 'found+"-"+g1+"-"+g2', 'ABCD-B-CD'),
514	n/a	('(?i)a[bcd]*dcdcde', 'ADCDCDE', SUCCEED, 'found', 'ADCDCDE'),
515	n/a	('(?i)a[bcd]+dcdcde', 'ADCDCDE', FAIL),
516	n/a	('(?i)(ab\|a)b*c', 'ABC', SUCCEED, 'found+"-"+g1', 'ABC-AB'),
517	n/a	('(?i)((a)(b)c)(d)', 'ABCD', SUCCEED, 'g1+"-"+g2+"-"+g3+"-"+g4', 'ABC-A-B-D'),
518	n/a	('(?i)[a-zA-Z_][a-zA-Z0-9_]*', 'ALPHA', SUCCEED, 'found', 'ALPHA'),
519	n/a	('(?i)^a(bc+\|b[eh])g\|.h$', 'ABH', SUCCEED, 'found+"-"+g1', 'BH-None'),
520	n/a	('(?i)(bc+d$\|ef*g.\|h?i(j\|k))', 'EFFGZ', SUCCEED, 'found+"-"+g1+"-"+g2', 'EFFGZ-EFFGZ-None'),
521	n/a	('(?i)(bc+d$\|ef*g.\|h?i(j\|k))', 'IJ', SUCCEED, 'found+"-"+g1+"-"+g2', 'IJ-IJ-J'),
522	n/a	('(?i)(bc+d$\|ef*g.\|h?i(j\|k))', 'EFFG', FAIL),
523	n/a	('(?i)(bc+d$\|ef*g.\|h?i(j\|k))', 'BCDD', FAIL),
524	n/a	('(?i)(bc+d$\|ef*g.\|h?i(j\|k))', 'REFFGZ', SUCCEED, 'found+"-"+g1+"-"+g2', 'EFFGZ-EFFGZ-None'),
525	n/a	('(?i)((((((((((a))))))))))', 'A', SUCCEED, 'g10', 'A'),
526	n/a	('(?i)((((((((((a))))))))))\\10', 'AA', SUCCEED, 'found', 'AA'),
527	n/a	#('(?i)((((((((((a))))))))))\\41', 'AA', FAIL),
528	n/a	#('(?i)((((((((((a))))))))))\\41', 'A!', SUCCEED, 'found', 'A!'),
529	n/a	('(?i)(((((((((a)))))))))', 'A', SUCCEED, 'found', 'A'),
530	n/a	('(?i)(?:(?:(?:(?:(?:(?:(?:(?:(?:(a))))))))))', 'A', SUCCEED, 'g1', 'A'),
531	n/a	('(?i)(?:(?:(?:(?:(?:(?:(?:(?:(?:(a\|b\|c))))))))))', 'C', SUCCEED, 'g1', 'C'),
532	n/a	('(?i)multiple words of text', 'UH-UH', FAIL),
533	n/a	('(?i)multiple words', 'MULTIPLE WORDS, YEAH', SUCCEED, 'found', 'MULTIPLE WORDS'),
534	n/a	('(?i)(.)c(.)', 'ABCDE', SUCCEED, 'found+"-"+g1+"-"+g2', 'ABCDE-AB-DE'),
535	n/a	('(?i)\$(.), (.)\$', '(A, B)', SUCCEED, 'g2+"-"+g1', 'B-A'),
536	n/a	('(?i)[k]', 'AB', FAIL),
537	n/a	# ('(?i)abcd', 'ABCD', SUCCEED, 'found+"-"+\\found+"-"+\\\\found', 'ABCD-$&-\\ABCD'),
538	n/a	# ('(?i)a(bc)d', 'ABCD', SUCCEED, 'g1+"-"+\\g1+"-"+\\\\g1', 'BC-$1-\\BC'),
539	n/a	('(?i)a[-]?c', 'AC', SUCCEED, 'found', 'AC'),
540	n/a	('(?i)(abc)\\1', 'ABCABC', SUCCEED, 'g1', 'ABC'),
541	n/a	('(?i)([a-c]*)\\1', 'ABCABC', SUCCEED, 'g1', 'ABC'),
542	n/a	('a(?!b).', 'abad', SUCCEED, 'found', 'ad'),
543	n/a	('a(?=d).', 'abad', SUCCEED, 'found', 'ad'),
544	n/a	('a(?=c\|d).', 'abad', SUCCEED, 'found', 'ad'),
545	n/a	('a(?:b\|c\|d)(.)', 'ace', SUCCEED, 'g1', 'e'),
546	n/a	('a(?:b\|c\|d)*(.)', 'ace', SUCCEED, 'g1', 'e'),
547	n/a	('a(?:b\|c\|d)+?(.)', 'ace', SUCCEED, 'g1', 'e'),
548	n/a	('a(?:b\|(c\|e){1,2}?\|d)+?(.)', 'ace', SUCCEED, 'g1 + g2', 'ce'),
549	n/a	('^(.+)?B', 'AB', SUCCEED, 'g1', 'A'),
550	n/a
551	n/a	# lookbehind: split by : but not if it is escaped by -.
552	n/a	('(?<!-):(.*?)(?<!-):', 'a:bc-:de:f', SUCCEED, 'g1', 'bc-:de' ),
553	n/a	# escaping with \ as we know it
554	n/a	('(?<!\\\\):(.*?)(?<!\\\\):', 'a:bc\\:de:f', SUCCEED, 'g1', 'bc\\:de' ),
555	n/a	# terminating with ' and escaping with ? as in edifact
556	n/a	("(?<!\\?)'(.*?)(?<!\\?)'", "a'bc?'de'f", SUCCEED, 'g1', "bc?'de" ),
557	n/a
558	n/a	# Comments using the (?#...) syntax
559	n/a
560	n/a	('w(?# comment', 'w', SYNTAX_ERROR),
561	n/a	('w(?# comment 1)xy(?# comment 2)z', 'wxyz', SUCCEED, 'found', 'wxyz'),
562	n/a
563	n/a	# Check odd placement of embedded pattern modifiers
564	n/a
565	n/a	# not an error under PCRE/PRE:
566	n/a	('(?i)w', 'W', SUCCEED, 'found', 'W'),
567	n/a	# ('w(?i)', 'W', SYNTAX_ERROR),
568	n/a
569	n/a	# Comments using the x embedded pattern modifier
570	n/a
571	n/a	("""(?x)w# comment 1
572	n/a	x y
573	n/a	# comment 2
574	n/a	z""", 'wxyz', SUCCEED, 'found', 'wxyz'),
575	n/a
576	n/a	# using the m embedded pattern modifier
577	n/a
578	n/a	('^abc', """jkl
579	n/a	abc
580	n/a	xyz""", FAIL),
581	n/a	('(?m)^abc', """jkl
582	n/a	abc
583	n/a	xyz""", SUCCEED, 'found', 'abc'),
584	n/a
585	n/a	('(?m)abc$', """jkl
586	n/a	xyzabc
587	n/a	123""", SUCCEED, 'found', 'abc'),
588	n/a
589	n/a	# using the s embedded pattern modifier
590	n/a
591	n/a	('a.b', 'a\nb', FAIL),
592	n/a	('(?s)a.b', 'a\nb', SUCCEED, 'found', 'a\nb'),
593	n/a
594	n/a	# test \w, etc. both inside and outside character classes
595	n/a
596	n/a	('\\w+', '--ab_cd0123--', SUCCEED, 'found', 'ab_cd0123'),
597	n/a	('[\\w]+', '--ab_cd0123--', SUCCEED, 'found', 'ab_cd0123'),
598	n/a	('\\D+', '1234abc5678', SUCCEED, 'found', 'abc'),
599	n/a	('[\\D]+', '1234abc5678', SUCCEED, 'found', 'abc'),
600	n/a	('[\\da-fA-F]+', '123abc', SUCCEED, 'found', '123abc'),
601	n/a	# not an error under PCRE/PRE:
602	n/a	# ('[\\d-x]', '-', SYNTAX_ERROR),
603	n/a	(r'([\s])([\S])([\s]*)', ' testing!1972', SUCCEED, 'g3+g2+g1', 'testing!1972 '),
604	n/a	(r'(\s)(\S)(\s*)', ' testing!1972', SUCCEED, 'g3+g2+g1', 'testing!1972 '),
605	n/a
606	n/a	(r'\xff', '\377', SUCCEED, 'found', chr(255)),
607	n/a	# new \x semantics
608	n/a	(r'\x00ff', '\377', FAIL),
609	n/a	# (r'\x00ff', '\377', SUCCEED, 'found', chr(255)),
610	n/a	(r'\t\n\v\r\f\a', '\t\n\v\r\f\a', SUCCEED, 'found', '\t\n\v\r\f\a'),
611	n/a	('\t\n\v\r\f\a', '\t\n\v\r\f\a', SUCCEED, 'found', '\t\n\v\r\f\a'),
612	n/a	(r'\t\n\v\r\f\a', '\t\n\v\r\f\a', SUCCEED, 'found', chr(9)+chr(10)+chr(11)+chr(13)+chr(12)+chr(7)),
613	n/a	(r'[\t][\n][\v][\r][\f][\b]', '\t\n\v\r\f\b', SUCCEED, 'found', '\t\n\v\r\f\b'),
614	n/a
615	n/a	#
616	n/a	# post-1.5.2 additions
617	n/a
618	n/a	# xmllib problem
619	n/a	(r'(([a-z]+):)?([a-z]+)$', 'smil', SUCCEED, 'g1+"-"+g2+"-"+g3', 'None-None-smil'),
620	n/a	# bug 110866: reference to undefined group
621	n/a	(r'((.)\1+)', '', SYNTAX_ERROR),
622	n/a	# bug 111869: search (PRE/PCRE fails on this one, SRE doesn't)
623	n/a	(r'.*d', 'abc\nabd', SUCCEED, 'found', 'abd'),
624	n/a	# bug 112468: various expected syntax errors
625	n/a	(r'(', '', SYNTAX_ERROR),
626	n/a	(r'[\41]', '!', SUCCEED, 'found', '!'),
627	n/a	# bug 114033: nothing to repeat
628	n/a	(r'(x?)?', 'x', SUCCEED, 'found', 'x'),
629	n/a	# bug 115040: rescan if flags are modified inside pattern
630	n/a	(r'(?x) foo ', 'foo', SUCCEED, 'found', 'foo'),
631	n/a	# bug 115618: negative lookahead
632	n/a	(r'(?<!abc)(d.f)', 'abcdefdof', SUCCEED, 'found', 'dof'),
633	n/a	# bug 116251: character class bug
634	n/a	(r'[\w-]+', 'laser_beam', SUCCEED, 'found', 'laser_beam'),
635	n/a	# bug 123769+127259: non-greedy backtracking bug
636	n/a	(r'.?\S :', 'xx:', SUCCEED, 'found', 'xx:'),
637	n/a	(r'a[ ]?\ (\d+).', 'a 10', SUCCEED, 'found', 'a 10'),
638	n/a	(r'a[ ]?\ (\d+).', 'a 10', SUCCEED, 'found', 'a 10'),
639	n/a	# bug 127259: \Z shouldn't depend on multiline mode
640	n/a	(r'(?ms).?x\s\Z(.*)','xx\nx\n', SUCCEED, 'g1', ''),
641	n/a	# bug 128899: uppercase literals under the ignorecase flag
642	n/a	(r'(?i)M+', 'MMM', SUCCEED, 'found', 'MMM'),
643	n/a	(r'(?i)m+', 'MMM', SUCCEED, 'found', 'MMM'),
644	n/a	(r'(?i)[M]+', 'MMM', SUCCEED, 'found', 'MMM'),
645	n/a	(r'(?i)[m]+', 'MMM', SUCCEED, 'found', 'MMM'),
646	n/a	# bug 130748: ^* should be an error (nothing to repeat)
647	n/a	(r'^*', '', SYNTAX_ERROR),
648	n/a	# bug 133283: minimizing repeat problem
649	n/a	(r'"(?:\\"\|[^"])*?"', r'"\""', SUCCEED, 'found', r'"\""'),
650	n/a	# bug 477728: minimizing repeat problem
651	n/a	(r'^.*?$', 'one\ntwo\nthree\n', FAIL),
652	n/a	# bug 483789: minimizing repeat problem
653	n/a	(r'a[^>]*?b', 'a>b', FAIL),
654	n/a	# bug 490573: minimizing repeat problem
655	n/a	(r'^a*?$', 'foo', FAIL),
656	n/a	# bug 470582: nested groups problem
657	n/a	(r'^((a)c)?(ab)$', 'ab', SUCCEED, 'g1+"-"+g2+"-"+g3', 'None-None-ab'),
658	n/a	# another minimizing repeat problem (capturing groups in assertions)
659	n/a	('^([ab]*?)(?=(b)?)c', 'abc', SUCCEED, 'g1+"-"+g2', 'ab-None'),
660	n/a	('^([ab]*?)(?!(b))c', 'abc', SUCCEED, 'g1+"-"+g2', 'ab-None'),
661	n/a	('^([ab]*?)(?<!(a))c', 'abc', SUCCEED, 'g1+"-"+g2', 'ab-None'),
662	n/a	]
663	n/a
664	n/a	u = '\N{LATIN CAPITAL LETTER A WITH DIAERESIS}'
665	n/a	tests.extend([
666	n/a	# bug 410271: \b broken under locales
667	n/a	(r'\b.\b', 'a', SUCCEED, 'found', 'a'),
668	n/a	(r'(?u)\b.\b', u, SUCCEED, 'found', u),
669	n/a	(r'(?u)\w', u, SUCCEED, 'found', u),
670	n/a	])