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/lib-python/2.7/test/re_tests.py

https://bitbucket.org/dac_io/pypy
Python | 674 lines | 621 code | 17 blank | 36 comment | 2 complexity | 5bf589bc73bdf2d337027ba7fc5394d5 MD5 | raw file
    

  1. #!/usr/bin/env python
    2. 

  2. # -*- mode: python -*-
    3. 

  3. 

  4. # Re test suite and benchmark suite v1.5
    5. 

  5. 

  6. # The 3 possible outcomes for each pattern
    7. 

  7. [SUCCEED, FAIL, SYNTAX_ERROR] = range(3)
    8. 

  8. 

  9. # Benchmark suite (needs expansion)
    10. 

  10. #
    11. 

  11. # The benchmark suite does not test correctness, just speed.  The
    12. 

  12. # first element of each tuple is the regex pattern; the second is a
    13. 

  13. # string to match it against.  The benchmarking code will embed the
    14. 

  14. # second string inside several sizes of padding, to test how regex
    15. 

  15. # matching performs on large strings.
    16. 

  16. 

  17. benchmarks = [
    18. 

  18. 

  19.     # test common prefix
    20. 

  20.     ('Python|Perl', 'Perl'),    # Alternation
    21. 

  21.     ('(Python|Perl)', 'Perl'),  # Grouped alternation
    22. 

  22. 

  23.     ('Python|Perl|Tcl', 'Perl'),        # Alternation
    24. 

  24.     ('(Python|Perl|Tcl)', 'Perl'),      # Grouped alternation
    25. 

  25. 

  26.     ('(Python)\\1', 'PythonPython'),    # Backreference
    27. 

  27.     ('([0a-z][a-z0-9]*,)+', 'a5,b7,c9,'), # Disable the fastmap optimization
    28. 

  28.     ('([a-z][a-z0-9]*,)+', 'a5,b7,c9,'), # A few sets
    29. 

  29. 

  30.     ('Python', 'Python'),               # Simple text literal
    31. 

  31.     ('.*Python', 'Python'),             # Bad text literal
    32. 

  32.     ('.*Python.*', 'Python'),           # Worse text literal
    33. 

  33.     ('.*(Python)', 'Python'),           # Bad text literal with grouping
    34. 

  34. 

  35. ]
    36. 

  36. 

  37. # Test suite (for verifying correctness)
    38. 

  38. #
    39. 

  39. # The test suite is a list of 5- or 3-tuples.  The 5 parts of a
    40. 

  40. # complete tuple are:
    41. 

  41. # element 0: a string containing the pattern
    42. 

  42. #         1: the string to match against the pattern
    43. 

  43. #         2: the expected result (SUCCEED, FAIL, SYNTAX_ERROR)
    44. 

  44. #         3: a string that will be eval()'ed to produce a test string.
    45. 

  45. #            This is an arbitrary Python expression; the available
    46. 

  46. #            variables are "found" (the whole match), and "g1", "g2", ...
    47. 

  47. #            up to "g99" contain the contents of each group, or the
    48. 

  48. #            string 'None' if the group wasn't given a value, or the
    49. 

  49. #            string 'Error' if the group index was out of range;
    50. 

  50. #            also "groups", the return value of m.group() (a tuple).
    51. 

  51. #         4: The expected result of evaluating the expression.
    52. 

  52. #            If the two don't match, an error is reported.
    53. 

  53. #
    54. 

  54. # If the regex isn't expected to work, the latter two elements can be omitted.
    55. 

    56. 

  56. tests = [
    57. 

  57.     # Test ?P< and ?P= extensions
    58. 

  58.     ('(?P<foo_123', '', SYNTAX_ERROR),      # Unterminated group identifier
    59. 

  59.     ('(?P<1>a)', '', SYNTAX_ERROR),         # Begins with a digit
    60. 

  60.     ('(?P<!>a)', '', SYNTAX_ERROR),         # Begins with an illegal char
    61. 

  61.     ('(?P<foo!>a)', '', SYNTAX_ERROR),      # Begins with an illegal char
    62. 

  62. 

  63.     # Same tests, for the ?P= form
    64. 

  64.     ('(?P<foo_123>a)(?P=foo_123', 'aa', SYNTAX_ERROR),
    65. 

  65.     ('(?P<foo_123>a)(?P=1)', 'aa', SYNTAX_ERROR),
    66. 

  66.     ('(?P<foo_123>a)(?P=!)', 'aa', SYNTAX_ERROR),
    67. 

  67.     ('(?P<foo_123>a)(?P=foo_124', 'aa', SYNTAX_ERROR),  # Backref to undefined group
    68. 

  68. 

  69.     ('(?P<foo_123>a)', 'a', SUCCEED, 'g1', 'a'),
    70. 

  70.     ('(?P<foo_123>a)(?P=foo_123)', 'aa', SUCCEED, 'g1', 'a'),
    71. 

  71. 

  72.     # Test octal escapes
    73. 

  73.     ('\\1', 'a', SYNTAX_ERROR),    # Backreference
    74. 

  74.     ('[\\1]', '\1', SUCCEED, 'found', '\1'),  # Character
    75. 

  75.     ('\\09', chr(0) + '9', SUCCEED, 'found', chr(0) + '9'),
    76. 

  76.     ('\\141', 'a', SUCCEED, 'found', 'a'),
    77. 

  77.     ('(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)(l)\\119', 'abcdefghijklk9', SUCCEED, 'found+"-"+g11', 'abcdefghijklk9-k'),
    78. 

  78. 

  79.     # Test \0 is handled everywhere
    80. 

  80.     (r'\0', '\0', SUCCEED, 'found', '\0'),
    81. 

  81.     (r'[\0a]', '\0', SUCCEED, 'found', '\0'),
    82. 

  82.     (r'[a\0]', '\0', SUCCEED, 'found', '\0'),
    83. 

  83.     (r'[^a\0]', '\0', FAIL),
    84. 

  84. 

  85.     # Test various letter escapes
    86. 

  86.     (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. 

  87.     (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. 

  88.     # NOTE: not an error under PCRE/PRE:
    89. 

  89.     # (r'\u', '', SYNTAX_ERROR),    # A Perl escape
    90. 

  90.     (r'\c\e\g\h\i\j\k\m\o\p\q\y\z', 'ceghijkmopqyz', SUCCEED, 'found', 'ceghijkmopqyz'),
    91. 

  91.     (r'\xff', '\377', SUCCEED, 'found', chr(255)),
    92. 

  92.     # new \x semantics
    93. 

  93.     (r'\x00ffffffffffffff', '\377', FAIL, 'found', chr(255)),
    94. 

  94.     (r'\x00f', '\017', FAIL, 'found', chr(15)),
    95. 

  95.     (r'\x00fe', '\376', FAIL, 'found', chr(254)),
    96. 

  96.     # (r'\x00ffffffffffffff', '\377', SUCCEED, 'found', chr(255)),
    97. 

  97.     # (r'\x00f', '\017', SUCCEED, 'found', chr(15)),
    98. 

  98.     # (r'\x00fe', '\376', SUCCEED, 'found', chr(254)),
    99. 

  99. 

  100.     (r"^\w+=(\\[\000-\277]|[^\n\\])*", "SRC=eval.c g.c blah blah blah \\\\\n\tapes.c",
    101. 

  101.      SUCCEED, 'found', "SRC=eval.c g.c blah blah blah \\\\"),
    102. 

  102. 

  103.     # Test that . only matches \n in DOTALL mode
    104. 

  104.     ('a.b', 'acb', SUCCEED, 'found', 'acb'),
    105. 

  105.     ('a.b', 'a\nb', FAIL),
    106. 

  106.     ('a.*b', 'acc\nccb', FAIL),
    107. 

  107.     ('a.{4,5}b', 'acc\nccb', FAIL),
    108. 

  108.     ('a.b', 'a\rb', SUCCEED, 'found', 'a\rb'),
    109. 

  109.     ('a.b(?s)', 'a\nb', SUCCEED, 'found', 'a\nb'),
    110. 

  110.     ('a.*(?s)b', 'acc\nccb', SUCCEED, 'found', 'acc\nccb'),
    111. 

  111.     ('(?s)a.{4,5}b', 'acc\nccb', SUCCEED, 'found', 'acc\nccb'),
    112. 

  112.     ('(?s)a.b', 'a\nb', SUCCEED, 'found', 'a\nb'),
    113. 

  113. 

  114.     (')', '', SYNTAX_ERROR),           # Unmatched right bracket
    115. 

  115.     ('', '', SUCCEED, 'found', ''),    # Empty pattern
    116. 

  116.     ('abc', 'abc', SUCCEED, 'found', 'abc'),
    117. 

  117.     ('abc', 'xbc', FAIL),
    118. 

  118.     ('abc', 'axc', FAIL),
    119. 

  119.     ('abc', 'abx', FAIL),
    120. 

  120.     ('abc', 'xabcy', SUCCEED, 'found', 'abc'),
    121. 

  121.     ('abc', 'ababc', SUCCEED, 'found', 'abc'),
    122. 

  122.     ('ab*c', 'abc', SUCCEED, 'found', 'abc'),
    123. 

  123.     ('ab*bc', 'abc', SUCCEED, 'found', 'abc'),
    124. 

  124.     ('ab*bc', 'abbc', SUCCEED, 'found', 'abbc'),
    125. 

  125.     ('ab*bc', 'abbbbc', SUCCEED, 'found', 'abbbbc'),
    126. 

  126.     ('ab+bc', 'abbc', SUCCEED, 'found', 'abbc'),
    127. 

  127.     ('ab+bc', 'abc', FAIL),
    128. 

  128.     ('ab+bc', 'abq', FAIL),
    129. 

  129.     ('ab+bc', 'abbbbc', SUCCEED, 'found', 'abbbbc'),
    130. 

  130.     ('ab?bc', 'abbc', SUCCEED, 'found', 'abbc'),
    131. 

  131.     ('ab?bc', 'abc', SUCCEED, 'found', 'abc'),
    132. 

  132.     ('ab?bc', 'abbbbc', FAIL),
    133. 

  133.     ('ab?c', 'abc', SUCCEED, 'found', 'abc'),
    134. 

  134.     ('^abc$', 'abc', SUCCEED, 'found', 'abc'),
    135. 

  135.     ('^abc$', 'abcc', FAIL),
    136. 

  136.     ('^abc', 'abcc', SUCCEED, 'found', 'abc'),
    137. 

  137.     ('^abc$', 'aabc', FAIL),
    138. 

  138.     ('abc$', 'aabc', SUCCEED, 'found', 'abc'),
    139. 

  139.     ('^', 'abc', SUCCEED, 'found+"-"', '-'),
    140. 

  140.     ('$', 'abc', SUCCEED, 'found+"-"', '-'),
    141. 

  141.     ('a.c', 'abc', SUCCEED, 'found', 'abc'),
    142. 

  142.     ('a.c', 'axc', SUCCEED, 'found', 'axc'),
    143. 

  143.     ('a.*c', 'axyzc', SUCCEED, 'found', 'axyzc'),
    144. 

  144.     ('a.*c', 'axyzd', FAIL),
    145. 

  145.     ('a[bc]d', 'abc', FAIL),
    146. 

  146.     ('a[bc]d', 'abd', SUCCEED, 'found', 'abd'),
    147. 

  147.     ('a[b-d]e', 'abd', FAIL),
    148. 

  148.     ('a[b-d]e', 'ace', SUCCEED, 'found', 'ace'),
    149. 

  149.     ('a[b-d]', 'aac', SUCCEED, 'found', 'ac'),
    150. 

  150.     ('a[-b]', 'a-', SUCCEED, 'found', 'a-'),
    151. 

  151.     ('a[\\-b]', 'a-', SUCCEED, 'found', 'a-'),
    152. 

  152.     # NOTE: not an error under PCRE/PRE:
    153. 

  153.     # ('a[b-]', 'a-', SYNTAX_ERROR),
    154. 

  154.     ('a[]b', '-', SYNTAX_ERROR),
    155. 

  155.     ('a[', '-', SYNTAX_ERROR),
    156. 

  156.     ('a\\', '-', SYNTAX_ERROR),
    157. 

  157.     ('abc)', '-', SYNTAX_ERROR),
    158. 

  158.     ('(abc', '-', SYNTAX_ERROR),
    159. 

  159.     ('a]', 'a]', SUCCEED, 'found', 'a]'),
    160. 

  160.     ('a[]]b', 'a]b', SUCCEED, 'found', 'a]b'),
    161. 

  161.     ('a[\]]b', 'a]b', SUCCEED, 'found', 'a]b'),
    162. 

  162.     ('a[^bc]d', 'aed', SUCCEED, 'found', 'aed'),
    163. 

  163.     ('a[^bc]d', 'abd', FAIL),
    164. 

  164.     ('a[^-b]c', 'adc', SUCCEED, 'found', 'adc'),
    165. 

  165.     ('a[^-b]c', 'a-c', FAIL),
    166. 

  166.     ('a[^]b]c', 'a]c', FAIL),
    167. 

  167.     ('a[^]b]c', 'adc', SUCCEED, 'found', 'adc'),
    168. 

  168.     ('\\ba\\b', 'a-', SUCCEED, '"-"', '-'),
    169. 

  169.     ('\\ba\\b', '-a', SUCCEED, '"-"', '-'),
    170. 

  170.     ('\\ba\\b', '-a-', SUCCEED, '"-"', '-'),
    171. 

  171.     ('\\by\\b', 'xy', FAIL),
    172. 

  172.     ('\\by\\b', 'yz', FAIL),
    173. 

  173.     ('\\by\\b', 'xyz', FAIL),
    174. 

  174.     ('x\\b', 'xyz', FAIL),
    175. 

  175.     ('x\\B', 'xyz', SUCCEED, '"-"', '-'),
    176. 

  176.     ('\\Bz', 'xyz', SUCCEED, '"-"', '-'),
    177. 

  177.     ('z\\B', 'xyz', FAIL),
    178. 

  178.     ('\\Bx', 'xyz', FAIL),
    179. 

  179.     ('\\Ba\\B', 'a-', FAIL, '"-"', '-'),
    180. 

  180.     ('\\Ba\\B', '-a', FAIL, '"-"', '-'),
    181. 

  181.     ('\\Ba\\B', '-a-', FAIL, '"-"', '-'),
    182. 

  182.     ('\\By\\B', 'xy', FAIL),
    183. 

  183.     ('\\By\\B', 'yz', FAIL),
    184. 

  184.     ('\\By\\b', 'xy', SUCCEED, '"-"', '-'),
    185. 

  185.     ('\\by\\B', 'yz', SUCCEED, '"-"', '-'),
    186. 

  186.     ('\\By\\B', 'xyz', SUCCEED, '"-"', '-'),
    187. 

  187.     ('ab|cd', 'abc', SUCCEED, 'found', 'ab'),
    188. 

  188.     ('ab|cd', 'abcd', SUCCEED, 'found', 'ab'),
    189. 

  189.     ('()ef', 'def', SUCCEED, 'found+"-"+g1', 'ef-'),
    190. 

  190.     ('$b', 'b', FAIL),
    191. 

  191.     ('a\\(b', 'a(b', SUCCEED, 'found+"-"+g1', 'a(b-Error'),
    192. 

  192.     ('a\\(*b', 'ab', SUCCEED, 'found', 'ab'),
    193. 

  193.     ('a\\(*b', 'a((b', SUCCEED, 'found', 'a((b'),
    194. 

  194.     ('a\\\\b', 'a\\b', SUCCEED, 'found', 'a\\b'),
    195. 

  195.     ('((a))', 'abc', SUCCEED, 'found+"-"+g1+"-"+g2', 'a-a-a'),
    196. 

  196.     ('(a)b(c)', 'abc', SUCCEED, 'found+"-"+g1+"-"+g2', 'abc-a-c'),
    197. 

  197.     ('a+b+c', 'aabbabc', SUCCEED, 'found', 'abc'),
    198. 

  198.     ('(a+|b)*', 'ab', SUCCEED, 'found+"-"+g1', 'ab-b'),
    199. 

  199.     ('(a+|b)+', 'ab', SUCCEED, 'found+"-"+g1', 'ab-b'),
    200. 

  200.     ('(a+|b)?', 'ab', SUCCEED, 'found+"-"+g1', 'a-a'),
    201. 

  201.     (')(', '-', SYNTAX_ERROR),
    202. 

  202.     ('[^ab]*', 'cde', SUCCEED, 'found', 'cde'),
    203. 

  203.     ('abc', '', FAIL),
    204. 

  204.     ('a*', '', SUCCEED, 'found', ''),
    205. 

  205.     ('a|b|c|d|e', 'e', SUCCEED, 'found', 'e'),
    206. 

  206.     ('(a|b|c|d|e)f', 'ef', SUCCEED, 'found+"-"+g1', 'ef-e'),
    207. 

  207.     ('abcd*efg', 'abcdefg', SUCCEED, 'found', 'abcdefg'),
    208. 

  208.     ('ab*', 'xabyabbbz', SUCCEED, 'found', 'ab'),
    209. 

  209.     ('ab*', 'xayabbbz', SUCCEED, 'found', 'a'),
    210. 

  210.     ('(ab|cd)e', 'abcde', SUCCEED, 'found+"-"+g1', 'cde-cd'),
    211. 

  211.     ('[abhgefdc]ij', 'hij', SUCCEED, 'found', 'hij'),
    212. 

  212.     ('^(ab|cd)e', 'abcde', FAIL, 'xg1y', 'xy'),
    213. 

  213.     ('(abc|)ef', 'abcdef', SUCCEED, 'found+"-"+g1', 'ef-'),
    214. 

  214.     ('(a|b)c*d', 'abcd', SUCCEED, 'found+"-"+g1', 'bcd-b'),
    215. 

  215.     ('(ab|ab*)bc', 'abc', SUCCEED, 'found+"-"+g1', 'abc-a'),
    216. 

  216.     ('a([bc]*)c*', 'abc', SUCCEED, 'found+"-"+g1', 'abc-bc'),
    217. 

  217.     ('a([bc]*)(c*d)', 'abcd', SUCCEED, 'found+"-"+g1+"-"+g2', 'abcd-bc-d'),
    218. 

  218.     ('a([bc]+)(c*d)', 'abcd', SUCCEED, 'found+"-"+g1+"-"+g2', 'abcd-bc-d'),
    219. 

  219.     ('a([bc]*)(c+d)', 'abcd', SUCCEED, 'found+"-"+g1+"-"+g2', 'abcd-b-cd'),
    220. 

  220.     ('a[bcd]*dcdcde', 'adcdcde', SUCCEED, 'found', 'adcdcde'),
    221. 

  221.     ('a[bcd]+dcdcde', 'adcdcde', FAIL),
    222. 

  222.     ('(ab|a)b*c', 'abc', SUCCEED, 'found+"-"+g1', 'abc-ab'),
    223. 

  223.     ('((a)(b)c)(d)', 'abcd', SUCCEED, 'g1+"-"+g2+"-"+g3+"-"+g4', 'abc-a-b-d'),
    224. 

  224.     ('[a-zA-Z_][a-zA-Z0-9_]*', 'alpha', SUCCEED, 'found', 'alpha'),
    225. 

  225.     ('^a(bc+|b[eh])g|.h$', 'abh', SUCCEED, 'found+"-"+g1', 'bh-None'),
    226. 

  226.     ('(bc+d$|ef*g.|h?i(j|k))', 'effgz', SUCCEED, 'found+"-"+g1+"-"+g2', 'effgz-effgz-None'),
    227. 

  227.     ('(bc+d$|ef*g.|h?i(j|k))', 'ij', SUCCEED, 'found+"-"+g1+"-"+g2', 'ij-ij-j'),
    228. 

  228.     ('(bc+d$|ef*g.|h?i(j|k))', 'effg', FAIL),
    229. 

  229.     ('(bc+d$|ef*g.|h?i(j|k))', 'bcdd', FAIL),
    230. 

  230.     ('(bc+d$|ef*g.|h?i(j|k))', 'reffgz', SUCCEED, 'found+"-"+g1+"-"+g2', 'effgz-effgz-None'),
    231. 

  231.     ('(((((((((a)))))))))', 'a', SUCCEED, 'found', 'a'),
    232. 

  232.     ('multiple words of text', 'uh-uh', FAIL),
    233. 

  233.     ('multiple words', 'multiple words, yeah', SUCCEED, 'found', 'multiple words'),
    234. 

  234.     ('(.*)c(.*)', 'abcde', SUCCEED, 'found+"-"+g1+"-"+g2', 'abcde-ab-de'),
    235. 

  235.     ('\\((.*), (.*)\\)', '(a, b)', SUCCEED, 'g2+"-"+g1', 'b-a'),
    236. 

  236.     ('[k]', 'ab', FAIL),
    237. 

  237.     ('a[-]?c', 'ac', SUCCEED, 'found', 'ac'),
    238. 

  238.     ('(abc)\\1', 'abcabc', SUCCEED, 'g1', 'abc'),
    239. 

  239.     ('([a-c]*)\\1', 'abcabc', SUCCEED, 'g1', 'abc'),
    240. 

  240.     ('^(.+)?B', 'AB', SUCCEED, 'g1', 'A'),
    241. 

  241.     ('(a+).\\1$', 'aaaaa', SUCCEED, 'found+"-"+g1', 'aaaaa-aa'),
    242. 

  242.     ('^(a+).\\1$', 'aaaa', FAIL),
    243. 

  243.     ('(abc)\\1', 'abcabc', SUCCEED, 'found+"-"+g1', 'abcabc-abc'),
    244. 

  244.     ('([a-c]+)\\1', 'abcabc', SUCCEED, 'found+"-"+g1', 'abcabc-abc'),
    245. 

  245.     ('(a)\\1', 'aa', SUCCEED, 'found+"-"+g1', 'aa-a'),
    246. 

  246.     ('(a+)\\1', 'aa', SUCCEED, 'found+"-"+g1', 'aa-a'),
    247. 

  247.     ('(a+)+\\1', 'aa', SUCCEED, 'found+"-"+g1', 'aa-a'),
    248. 

  248.     ('(a).+\\1', 'aba', SUCCEED, 'found+"-"+g1', 'aba-a'),
    249. 

  249.     ('(a)ba*\\1', 'aba', SUCCEED, 'found+"-"+g1', 'aba-a'),
    250. 

  250.     ('(aa|a)a\\1$', 'aaa', SUCCEED, 'found+"-"+g1', 'aaa-a'),
    251. 

  251.     ('(a|aa)a\\1$', 'aaa', SUCCEED, 'found+"-"+g1', 'aaa-a'),
    252. 

  252.     ('(a+)a\\1$', 'aaa', SUCCEED, 'found+"-"+g1', 'aaa-a'),
    253. 

  253.     ('([abc]*)\\1', 'abcabc', SUCCEED, 'found+"-"+g1', 'abcabc-abc'),
    254. 

  254.     ('(a)(b)c|ab', 'ab', SUCCEED, 'found+"-"+g1+"-"+g2', 'ab-None-None'),
    255. 

  255.     ('(a)+x', 'aaax', SUCCEED, 'found+"-"+g1', 'aaax-a'),
    256. 

  256.     ('([ac])+x', 'aacx', SUCCEED, 'found+"-"+g1', 'aacx-c'),
    257. 

  257.     ('([^/]*/)*sub1/', 'd:msgs/tdir/sub1/trial/away.cpp', SUCCEED, 'found+"-"+g1', 'd:msgs/tdir/sub1/-tdir/'),
    258. 

  258.     ('([^.]*)\\.([^:]*):[T ]+(.*)', 'track1.title:TBlah blah blah', SUCCEED, 'found+"-"+g1+"-"+g2+"-"+g3', 'track1.title:TBlah blah blah-track1-title-Blah blah blah'),
    259. 

  259.     ('([^N]*N)+', 'abNNxyzN', SUCCEED, 'found+"-"+g1', 'abNNxyzN-xyzN'),
    260. 

  260.     ('([^N]*N)+', 'abNNxyz', SUCCEED, 'found+"-"+g1', 'abNN-N'),
    261. 

  261.     ('([abc]*)x', 'abcx', SUCCEED, 'found+"-"+g1', 'abcx-abc'),
    262. 

  262.     ('([abc]*)x', 'abc', FAIL),
    263. 

  263.     ('([xyz]*)x', 'abcx', SUCCEED, 'found+"-"+g1', 'x-'),
    264. 

  264.     ('(a)+b|aac', 'aac', SUCCEED, 'found+"-"+g1', 'aac-None'),
    265. 

  265. 

  266.     # Test symbolic groups
    267. 

  267. 

  268.     ('(?P<i d>aaa)a', 'aaaa', SYNTAX_ERROR),
    269. 

  269.     ('(?P<id>aaa)a', 'aaaa', SUCCEED, 'found+"-"+id', 'aaaa-aaa'),
    270. 

  270.     ('(?P<id>aa)(?P=id)', 'aaaa', SUCCEED, 'found+"-"+id', 'aaaa-aa'),
    271. 

  271.     ('(?P<id>aa)(?P=xd)', 'aaaa', SYNTAX_ERROR),
    272. 

  272. 

  273.     # Test octal escapes/memory references
    274. 

  274. 

  275.     ('\\1', 'a', SYNTAX_ERROR),
    276. 

  276.     ('\\09', chr(0) + '9', SUCCEED, 'found', chr(0) + '9'),
    277. 

  277.     ('\\141', 'a', SUCCEED, 'found', 'a'),
    278. 

  278.     ('(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)(l)\\119', 'abcdefghijklk9', SUCCEED, 'found+"-"+g11', 'abcdefghijklk9-k'),
    279. 

  279. 

  280.     # All tests from Perl
    281. 

  281. 

  282.     ('abc', 'abc', SUCCEED, 'found', 'abc'),
    283. 

  283.     ('abc', 'xbc', FAIL),
    284. 

  284.     ('abc', 'axc', FAIL),
    285. 

  285.     ('abc', 'abx', FAIL),
    286. 

  286.     ('abc', 'xabcy', SUCCEED, 'found', 'abc'),
    287. 

  287.     ('abc', 'ababc', SUCCEED, 'found', 'abc'),
    288. 

  288.     ('ab*c', 'abc', SUCCEED, 'found', 'abc'),
    289. 

  289.     ('ab*bc', 'abc', SUCCEED, 'found', 'abc'),
    290. 

  290.     ('ab*bc', 'abbc', SUCCEED, 'found', 'abbc'),
    291. 

  291.     ('ab*bc', 'abbbbc', SUCCEED, 'found', 'abbbbc'),
    292. 

  292.     ('ab{0,}bc', 'abbbbc', SUCCEED, 'found', 'abbbbc'),
    293. 

  293.     ('ab+bc', 'abbc', SUCCEED, 'found', 'abbc'),
    294. 

  294.     ('ab+bc', 'abc', FAIL),
    295. 

  295.     ('ab+bc', 'abq', FAIL),
    296. 

  296.     ('ab{1,}bc', 'abq', FAIL),
    297. 

  297.     ('ab+bc', 'abbbbc', SUCCEED, 'found', 'abbbbc'),
    298. 

  298.     ('ab{1,}bc', 'abbbbc', SUCCEED, 'found', 'abbbbc'),
    299. 

  299.     ('ab{1,3}bc', 'abbbbc', SUCCEED, 'found', 'abbbbc'),
    300. 

  300.     ('ab{3,4}bc', 'abbbbc', SUCCEED, 'found', 'abbbbc'),
    301. 

  301.     ('ab{4,5}bc', 'abbbbc', FAIL),
    302. 

  302.     ('ab?bc', 'abbc', SUCCEED, 'found', 'abbc'),
    303. 

  303.     ('ab?bc', 'abc', SUCCEED, 'found', 'abc'),
    304. 

  304.     ('ab{0,1}bc', 'abc', SUCCEED, 'found', 'abc'),
    305. 

  305.     ('ab?bc', 'abbbbc', FAIL),
    306. 

  306.     ('ab?c', 'abc', SUCCEED, 'found', 'abc'),
    307. 

  307.     ('ab{0,1}c', 'abc', SUCCEED, 'found', 'abc'),
    308. 

  308.     ('^abc$', 'abc', SUCCEED, 'found', 'abc'),
    309. 

  309.     ('^abc$', 'abcc', FAIL),
    310. 

  310.     ('^abc', 'abcc', SUCCEED, 'found', 'abc'),
    311. 

  311.     ('^abc$', 'aabc', FAIL),
    312. 

  312.     ('abc$', 'aabc', SUCCEED, 'found', 'abc'),
    313. 

  313.     ('^', 'abc', SUCCEED, 'found', ''),
    314. 

  314.     ('$', 'abc', SUCCEED, 'found', ''),
    315. 

  315.     ('a.c', 'abc', SUCCEED, 'found', 'abc'),
    316. 

  316.     ('a.c', 'axc', SUCCEED, 'found', 'axc'),
    317. 

  317.     ('a.*c', 'axyzc', SUCCEED, 'found', 'axyzc'),
    318. 

  318.     ('a.*c', 'axyzd', FAIL),
    319. 

  319.     ('a[bc]d', 'abc', FAIL),
    320. 

  320.     ('a[bc]d', 'abd', SUCCEED, 'found', 'abd'),
    321. 

  321.     ('a[b-d]e', 'abd', FAIL),
    322. 

  322.     ('a[b-d]e', 'ace', SUCCEED, 'found', 'ace'),
    323. 

  323.     ('a[b-d]', 'aac', SUCCEED, 'found', 'ac'),
    324. 

  324.     ('a[-b]', 'a-', SUCCEED, 'found', 'a-'),
    325. 

  325.     ('a[b-]', 'a-', SUCCEED, 'found', 'a-'),
    326. 

  326.     ('a[b-a]', '-', SYNTAX_ERROR),
    327. 

  327.     ('a[]b', '-', SYNTAX_ERROR),
    328. 

  328.     ('a[', '-', SYNTAX_ERROR),
    329. 

  329.     ('a]', 'a]', SUCCEED, 'found', 'a]'),
    330. 

  330.     ('a[]]b', 'a]b', SUCCEED, 'found', 'a]b'),
    331. 

  331.     ('a[^bc]d', 'aed', SUCCEED, 'found', 'aed'),
    332. 

  332.     ('a[^bc]d', 'abd', FAIL),
    333. 

  333.     ('a[^-b]c', 'adc', SUCCEED, 'found', 'adc'),
    334. 

  334.     ('a[^-b]c', 'a-c', FAIL),
    335. 

  335.     ('a[^]b]c', 'a]c', FAIL),
    336. 

  336.     ('a[^]b]c', 'adc', SUCCEED, 'found', 'adc'),
    337. 

  337.     ('ab|cd', 'abc', SUCCEED, 'found', 'ab'),
    338. 

  338.     ('ab|cd', 'abcd', SUCCEED, 'found', 'ab'),
    339. 

  339.     ('()ef', 'def', SUCCEED, 'found+"-"+g1', 'ef-'),
    340. 

  340.     ('*a', '-', SYNTAX_ERROR),
    341. 

  341.     ('(*)b', '-', SYNTAX_ERROR),
    342. 

  342.     ('$b', 'b', FAIL),
    343. 

  343.     ('a\\', '-', SYNTAX_ERROR),
    344. 

  344.     ('a\\(b', 'a(b', SUCCEED, 'found+"-"+g1', 'a(b-Error'),
    345. 

  345.     ('a\\(*b', 'ab', SUCCEED, 'found', 'ab'),
    346. 

  346.     ('a\\(*b', 'a((b', SUCCEED, 'found', 'a((b'),
    347. 

  347.     ('a\\\\b', 'a\\b', SUCCEED, 'found', 'a\\b'),
    348. 

  348.     ('abc)', '-', SYNTAX_ERROR),
    349. 

  349.     ('(abc', '-', SYNTAX_ERROR),
    350. 

  350.     ('((a))', 'abc', SUCCEED, 'found+"-"+g1+"-"+g2', 'a-a-a'),
    351. 

  351.     ('(a)b(c)', 'abc', SUCCEED, 'found+"-"+g1+"-"+g2', 'abc-a-c'),
    352. 

  352.     ('a+b+c', 'aabbabc', SUCCEED, 'found', 'abc'),
    353. 

  353.     ('a{1,}b{1,}c', 'aabbabc', SUCCEED, 'found', 'abc'),
    354. 

  354.     ('a**', '-', SYNTAX_ERROR),
    355. 

  355.     ('a.+?c', 'abcabc', SUCCEED, 'found', 'abc'),
    356. 

  356.     ('(a+|b)*', 'ab', SUCCEED, 'found+"-"+g1', 'ab-b'),
    357. 

  357.     ('(a+|b){0,}', 'ab', SUCCEED, 'found+"-"+g1', 'ab-b'),
    358. 

  358.     ('(a+|b)+', 'ab', SUCCEED, 'found+"-"+g1', 'ab-b'),
    359. 

  359.     ('(a+|b){1,}', 'ab', SUCCEED, 'found+"-"+g1', 'ab-b'),
    360. 

  360.     ('(a+|b)?', 'ab', SUCCEED, 'found+"-"+g1', 'a-a'),
    361. 

  361.     ('(a+|b){0,1}', 'ab', SUCCEED, 'found+"-"+g1', 'a-a'),
    362. 

  362.     (')(', '-', SYNTAX_ERROR),
    363. 

  363.     ('[^ab]*', 'cde', SUCCEED, 'found', 'cde'),
    364. 

  364.     ('abc', '', FAIL),
    365. 

  365.     ('a*', '', SUCCEED, 'found', ''),
    366. 

  366.     ('([abc])*d', 'abbbcd', SUCCEED, 'found+"-"+g1', 'abbbcd-c'),
    367. 

  367.     ('([abc])*bcd', 'abcd', SUCCEED, 'found+"-"+g1', 'abcd-a'),
    368. 

  368.     ('a|b|c|d|e', 'e', SUCCEED, 'found', 'e'),
    369. 

  369.     ('(a|b|c|d|e)f', 'ef', SUCCEED, 'found+"-"+g1', 'ef-e'),
    370. 

  370.     ('abcd*efg', 'abcdefg', SUCCEED, 'found', 'abcdefg'),
    371. 

  371.     ('ab*', 'xabyabbbz', SUCCEED, 'found', 'ab'),
    372. 

  372.     ('ab*', 'xayabbbz', SUCCEED, 'found', 'a'),
    373. 

  373.     ('(ab|cd)e', 'abcde', SUCCEED, 'found+"-"+g1', 'cde-cd'),
    374. 

  374.     ('[abhgefdc]ij', 'hij', SUCCEED, 'found', 'hij'),
    375. 

  375.     ('^(ab|cd)e', 'abcde', FAIL),
    376. 

  376.     ('(abc|)ef', 'abcdef', SUCCEED, 'found+"-"+g1', 'ef-'),
    377. 

  377.     ('(a|b)c*d', 'abcd', SUCCEED, 'found+"-"+g1', 'bcd-b'),
    378. 

  378.     ('(ab|ab*)bc', 'abc', SUCCEED, 'found+"-"+g1', 'abc-a'),
    379. 

  379.     ('a([bc]*)c*', 'abc', SUCCEED, 'found+"-"+g1', 'abc-bc'),
    380. 

  380.     ('a([bc]*)(c*d)', 'abcd', SUCCEED, 'found+"-"+g1+"-"+g2', 'abcd-bc-d'),
    381. 

  381.     ('a([bc]+)(c*d)', 'abcd', SUCCEED, 'found+"-"+g1+"-"+g2', 'abcd-bc-d'),
    382. 

  382.     ('a([bc]*)(c+d)', 'abcd', SUCCEED, 'found+"-"+g1+"-"+g2', 'abcd-b-cd'),
    383. 

  383.     ('a[bcd]*dcdcde', 'adcdcde', SUCCEED, 'found', 'adcdcde'),
    384. 

  384.     ('a[bcd]+dcdcde', 'adcdcde', FAIL),
    385. 

  385.     ('(ab|a)b*c', 'abc', SUCCEED, 'found+"-"+g1', 'abc-ab'),
    386. 

  386.     ('((a)(b)c)(d)', 'abcd', SUCCEED, 'g1+"-"+g2+"-"+g3+"-"+g4', 'abc-a-b-d'),
    387. 

  387.     ('[a-zA-Z_][a-zA-Z0-9_]*', 'alpha', SUCCEED, 'found', 'alpha'),
    388. 

  388.     ('^a(bc+|b[eh])g|.h$', 'abh', SUCCEED, 'found+"-"+g1', 'bh-None'),
    389. 

  389.     ('(bc+d$|ef*g.|h?i(j|k))', 'effgz', SUCCEED, 'found+"-"+g1+"-"+g2', 'effgz-effgz-None'),
    390. 

  390.     ('(bc+d$|ef*g.|h?i(j|k))', 'ij', SUCCEED, 'found+"-"+g1+"-"+g2', 'ij-ij-j'),
    391. 

  391.     ('(bc+d$|ef*g.|h?i(j|k))', 'effg', FAIL),
    392. 

  392.     ('(bc+d$|ef*g.|h?i(j|k))', 'bcdd', FAIL),
    393. 

  393.     ('(bc+d$|ef*g.|h?i(j|k))', 'reffgz', SUCCEED, 'found+"-"+g1+"-"+g2', 'effgz-effgz-None'),
    394. 

  394.     ('((((((((((a))))))))))', 'a', SUCCEED, 'g10', 'a'),
    395. 

  395.     ('((((((((((a))))))))))\\10', 'aa', SUCCEED, 'found', 'aa'),
    396. 

  396. # Python does not have the same rules for \\41 so this is a syntax error
    397. 

  397. #    ('((((((((((a))))))))))\\41', 'aa', FAIL),
    398. 

  398. #    ('((((((((((a))))))))))\\41', 'a!', SUCCEED, 'found', 'a!'),
    399. 

  399.     ('((((((((((a))))))))))\\41', '', SYNTAX_ERROR),
    400. 

  400.     ('(?i)((((((((((a))))))))))\\41', '', SYNTAX_ERROR),
    401. 

  401.     ('(((((((((a)))))))))', 'a', SUCCEED, 'found', 'a'),
    402. 

  402.     ('multiple words of text', 'uh-uh', FAIL),
    403. 

  403.     ('multiple words', 'multiple words, yeah', SUCCEED, 'found', 'multiple words'),
    404. 

  404.     ('(.*)c(.*)', 'abcde', SUCCEED, 'found+"-"+g1+"-"+g2', 'abcde-ab-de'),
    405. 

  405.     ('\\((.*), (.*)\\)', '(a, b)', SUCCEED, 'g2+"-"+g1', 'b-a'),
    406. 

  406.     ('[k]', 'ab', FAIL),
    407. 

  407.     ('a[-]?c', 'ac', SUCCEED, 'found', 'ac'),
    408. 

  408.     ('(abc)\\1', 'abcabc', SUCCEED, 'g1', 'abc'),
    409. 

  409.     ('([a-c]*)\\1', 'abcabc', SUCCEED, 'g1', 'abc'),
    410. 

  410.     ('(?i)abc', 'ABC', SUCCEED, 'found', 'ABC'),
    411. 

  411.     ('(?i)abc', 'XBC', FAIL),
    412. 

  412.     ('(?i)abc', 'AXC', FAIL),
    413. 

  413.     ('(?i)abc', 'ABX', FAIL),
    414. 

  414.     ('(?i)abc', 'XABCY', SUCCEED, 'found', 'ABC'),
    415. 

  415.     ('(?i)abc', 'ABABC', SUCCEED, 'found', 'ABC'),
    416. 

  416.     ('(?i)ab*c', 'ABC', SUCCEED, 'found', 'ABC'),
    417. 

  417.     ('(?i)ab*bc', 'ABC', SUCCEED, 'found', 'ABC'),
    418. 

  418.     ('(?i)ab*bc', 'ABBC', SUCCEED, 'found', 'ABBC'),
    419. 

  419.     ('(?i)ab*?bc', 'ABBBBC', SUCCEED, 'found', 'ABBBBC'),
    420. 

  420.     ('(?i)ab{0,}?bc', 'ABBBBC', SUCCEED, 'found', 'ABBBBC'),
    421. 

  421.     ('(?i)ab+?bc', 'ABBC', SUCCEED, 'found', 'ABBC'),
    422. 

  422.     ('(?i)ab+bc', 'ABC', FAIL),
    423. 

  423.     ('(?i)ab+bc', 'ABQ', FAIL),
    424. 

  424.     ('(?i)ab{1,}bc', 'ABQ', FAIL),
    425. 

  425.     ('(?i)ab+bc', 'ABBBBC', SUCCEED, 'found', 'ABBBBC'),
    426. 

  426.     ('(?i)ab{1,}?bc', 'ABBBBC', SUCCEED, 'found', 'ABBBBC'),
    427. 

  427.     ('(?i)ab{1,3}?bc', 'ABBBBC', SUCCEED, 'found', 'ABBBBC'),
    428. 

  428.     ('(?i)ab{3,4}?bc', 'ABBBBC', SUCCEED, 'found', 'ABBBBC'),
    429. 

  429.     ('(?i)ab{4,5}?bc', 'ABBBBC', FAIL),
    430. 

  430.     ('(?i)ab??bc', 'ABBC', SUCCEED, 'found', 'ABBC'),
    431. 

  431.     ('(?i)ab??bc', 'ABC', SUCCEED, 'found', 'ABC'),
    432. 

  432.     ('(?i)ab{0,1}?bc', 'ABC', SUCCEED, 'found', 'ABC'),
    433. 

  433.     ('(?i)ab??bc', 'ABBBBC', FAIL),
    434. 

  434.     ('(?i)ab??c', 'ABC', SUCCEED, 'found', 'ABC'),
    435. 

  435.     ('(?i)ab{0,1}?c', 'ABC', SUCCEED, 'found', 'ABC'),
    436. 

  436.     ('(?i)^abc$', 'ABC', SUCCEED, 'found', 'ABC'),
    437. 

  437.     ('(?i)^abc$', 'ABCC', FAIL),
    438. 

  438.     ('(?i)^abc', 'ABCC', SUCCEED, 'found', 'ABC'),
    439. 

  439.     ('(?i)^abc$', 'AABC', FAIL),
    440. 

  440.     ('(?i)abc$', 'AABC', SUCCEED, 'found', 'ABC'),
    441. 

  441.     ('(?i)^', 'ABC', SUCCEED, 'found', ''),
    442. 

  442.     ('(?i)$', 'ABC', SUCCEED, 'found', ''),
    443. 

  443.     ('(?i)a.c', 'ABC', SUCCEED, 'found', 'ABC'),
    444. 

  444.     ('(?i)a.c', 'AXC', SUCCEED, 'found', 'AXC'),
    445. 

  445.     ('(?i)a.*?c', 'AXYZC', SUCCEED, 'found', 'AXYZC'),
    446. 

  446.     ('(?i)a.*c', 'AXYZD', FAIL),
    447. 

  447.     ('(?i)a[bc]d', 'ABC', FAIL),
    448. 

  448.     ('(?i)a[bc]d', 'ABD', SUCCEED, 'found', 'ABD'),
    449. 

  449.     ('(?i)a[b-d]e', 'ABD', FAIL),
    450. 

  450.     ('(?i)a[b-d]e', 'ACE', SUCCEED, 'found', 'ACE'),
    451. 

  451.     ('(?i)a[b-d]', 'AAC', SUCCEED, 'found', 'AC'),
    452. 

  452.     ('(?i)a[-b]', 'A-', SUCCEED, 'found', 'A-'),
    453. 

  453.     ('(?i)a[b-]', 'A-', SUCCEED, 'found', 'A-'),
    454. 

  454.     ('(?i)a[b-a]', '-', SYNTAX_ERROR),
    455. 

  455.     ('(?i)a[]b', '-', SYNTAX_ERROR),
    456. 

  456.     ('(?i)a[', '-', SYNTAX_ERROR),
    457. 

  457.     ('(?i)a]', 'A]', SUCCEED, 'found', 'A]'),
    458. 

  458.     ('(?i)a[]]b', 'A]B', SUCCEED, 'found', 'A]B'),
    459. 

  459.     ('(?i)a[^bc]d', 'AED', SUCCEED, 'found', 'AED'),
    460. 

  460.     ('(?i)a[^bc]d', 'ABD', FAIL),
    461. 

  461.     ('(?i)a[^-b]c', 'ADC', SUCCEED, 'found', 'ADC'),
    462. 

  462.     ('(?i)a[^-b]c', 'A-C', FAIL),
    463. 

  463.     ('(?i)a[^]b]c', 'A]C', FAIL),
    464. 

  464.     ('(?i)a[^]b]c', 'ADC', SUCCEED, 'found', 'ADC'),
    465. 

  465.     ('(?i)ab|cd', 'ABC', SUCCEED, 'found', 'AB'),
    466. 

  466.     ('(?i)ab|cd', 'ABCD', SUCCEED, 'found', 'AB'),
    467. 

  467.     ('(?i)()ef', 'DEF', SUCCEED, 'found+"-"+g1', 'EF-'),
    468. 

  468.     ('(?i)*a', '-', SYNTAX_ERROR),
    469. 

  469.     ('(?i)(*)b', '-', SYNTAX_ERROR),
    470. 

  470.     ('(?i)$b', 'B', FAIL),
    471. 

  471.     ('(?i)a\\', '-', SYNTAX_ERROR),
    472. 

  472.     ('(?i)a\\(b', 'A(B', SUCCEED, 'found+"-"+g1', 'A(B-Error'),
    473. 

  473.     ('(?i)a\\(*b', 'AB', SUCCEED, 'found', 'AB'),
    474. 

  474.     ('(?i)a\\(*b', 'A((B', SUCCEED, 'found', 'A((B'),
    475. 

  475.     ('(?i)a\\\\b', 'A\\B', SUCCEED, 'found', 'A\\B'),
    476. 

  476.     ('(?i)abc)', '-', SYNTAX_ERROR),
    477. 

  477.     ('(?i)(abc', '-', SYNTAX_ERROR),
    478. 

  478.     ('(?i)((a))', 'ABC', SUCCEED, 'found+"-"+g1+"-"+g2', 'A-A-A'),
    479. 

  479.     ('(?i)(a)b(c)', 'ABC', SUCCEED, 'found+"-"+g1+"-"+g2', 'ABC-A-C'),
    480. 

  480.     ('(?i)a+b+c', 'AABBABC', SUCCEED, 'found', 'ABC'),
    481. 

  481.     ('(?i)a{1,}b{1,}c', 'AABBABC', SUCCEED, 'found', 'ABC'),
    482. 

  482.     ('(?i)a**', '-', SYNTAX_ERROR),
    483. 

  483.     ('(?i)a.+?c', 'ABCABC', SUCCEED, 'found', 'ABC'),
    484. 

  484.     ('(?i)a.*?c', 'ABCABC', SUCCEED, 'found', 'ABC'),
    485. 

  485.     ('(?i)a.{0,5}?c', 'ABCABC', SUCCEED, 'found', 'ABC'),
    486. 

  486.     ('(?i)(a+|b)*', 'AB', SUCCEED, 'found+"-"+g1', 'AB-B'),
    487. 

  487.     ('(?i)(a+|b){0,}', 'AB', SUCCEED, 'found+"-"+g1', 'AB-B'),
    488. 

  488.     ('(?i)(a+|b)+', 'AB', SUCCEED, 'found+"-"+g1', 'AB-B'),
    489. 

  489.     ('(?i)(a+|b){1,}', 'AB', SUCCEED, 'found+"-"+g1', 'AB-B'),
    490. 

  490.     ('(?i)(a+|b)?', 'AB', SUCCEED, 'found+"-"+g1', 'A-A'),
    491. 

  491.     ('(?i)(a+|b){0,1}', 'AB', SUCCEED, 'found+"-"+g1', 'A-A'),
    492. 

  492.     ('(?i)(a+|b){0,1}?', 'AB', SUCCEED, 'found+"-"+g1', '-None'),
    493. 

  493.     ('(?i))(', '-', SYNTAX_ERROR),
    494. 

  494.     ('(?i)[^ab]*', 'CDE', SUCCEED, 'found', 'CDE'),
    495. 

  495.     ('(?i)abc', '', FAIL),
    496. 

  496.     ('(?i)a*', '', SUCCEED, 'found', ''),
    497. 

  497.     ('(?i)([abc])*d', 'ABBBCD', SUCCEED, 'found+"-"+g1', 'ABBBCD-C'),
    498. 

  498.     ('(?i)([abc])*bcd', 'ABCD', SUCCEED, 'found+"-"+g1', 'ABCD-A'),
    499. 

  499.     ('(?i)a|b|c|d|e', 'E', SUCCEED, 'found', 'E'),
    500. 

  500.     ('(?i)(a|b|c|d|e)f', 'EF', SUCCEED, 'found+"-"+g1', 'EF-E'),
    501. 

  501.     ('(?i)abcd*efg', 'ABCDEFG', SUCCEED, 'found', 'ABCDEFG'),
    502. 

  502.     ('(?i)ab*', 'XABYABBBZ', SUCCEED, 'found', 'AB'),
    503. 

  503.     ('(?i)ab*', 'XAYABBBZ', SUCCEED, 'found', 'A'),
    504. 

  504.     ('(?i)(ab|cd)e', 'ABCDE', SUCCEED, 'found+"-"+g1', 'CDE-CD'),
    505. 

  505.     ('(?i)[abhgefdc]ij', 'HIJ', SUCCEED, 'found', 'HIJ'),
    506. 

  506.     ('(?i)^(ab|cd)e', 'ABCDE', FAIL),
    507. 

  507.     ('(?i)(abc|)ef', 'ABCDEF', SUCCEED, 'found+"-"+g1', 'EF-'),
    508. 

  508.     ('(?i)(a|b)c*d', 'ABCD', SUCCEED, 'found+"-"+g1', 'BCD-B'),
    509. 

  509.     ('(?i)(ab|ab*)bc', 'ABC', SUCCEED, 'found+"-"+g1', 'ABC-A'),
    510. 

  510.     ('(?i)a([bc]*)c*', 'ABC', SUCCEED, 'found+"-"+g1', 'ABC-BC'),
    511. 

  511.     ('(?i)a([bc]*)(c*d)', 'ABCD', SUCCEED, 'found+"-"+g1+"-"+g2', 'ABCD-BC-D'),
    512. 

  512.     ('(?i)a([bc]+)(c*d)', 'ABCD', SUCCEED, 'found+"-"+g1+"-"+g2', 'ABCD-BC-D'),
    513. 

  513.     ('(?i)a([bc]*)(c+d)', 'ABCD', SUCCEED, 'found+"-"+g1+"-"+g2', 'ABCD-B-CD'),
    514. 

  514.     ('(?i)a[bcd]*dcdcde', 'ADCDCDE', SUCCEED, 'found', 'ADCDCDE'),
    515. 

  515.     ('(?i)a[bcd]+dcdcde', 'ADCDCDE', FAIL),
    516. 

  516.     ('(?i)(ab|a)b*c', 'ABC', SUCCEED, 'found+"-"+g1', 'ABC-AB'),
    517. 

  517.     ('(?i)((a)(b)c)(d)', 'ABCD', SUCCEED, 'g1+"-"+g2+"-"+g3+"-"+g4', 'ABC-A-B-D'),
    518. 

  518.     ('(?i)[a-zA-Z_][a-zA-Z0-9_]*', 'ALPHA', SUCCEED, 'found', 'ALPHA'),
    519. 

  519.     ('(?i)^a(bc+|b[eh])g|.h$', 'ABH', SUCCEED, 'found+"-"+g1', 'BH-None'),
    520. 

  520.     ('(?i)(bc+d$|ef*g.|h?i(j|k))', 'EFFGZ', SUCCEED, 'found+"-"+g1+"-"+g2', 'EFFGZ-EFFGZ-None'),
    521. 

  521.     ('(?i)(bc+d$|ef*g.|h?i(j|k))', 'IJ', SUCCEED, 'found+"-"+g1+"-"+g2', 'IJ-IJ-J'),
    522. 

  522.     ('(?i)(bc+d$|ef*g.|h?i(j|k))', 'EFFG', FAIL),
    523. 

  523.     ('(?i)(bc+d$|ef*g.|h?i(j|k))', 'BCDD', FAIL),
    524. 

  524.     ('(?i)(bc+d$|ef*g.|h?i(j|k))', 'REFFGZ', SUCCEED, 'found+"-"+g1+"-"+g2', 'EFFGZ-EFFGZ-None'),
    525. 

  525.     ('(?i)((((((((((a))))))))))', 'A', SUCCEED, 'g10', 'A'),
    526. 

  526.     ('(?i)((((((((((a))))))))))\\10', 'AA', SUCCEED, 'found', 'AA'),
    527. 

  527.     #('(?i)((((((((((a))))))))))\\41', 'AA', FAIL),
    528. 

  528.     #('(?i)((((((((((a))))))))))\\41', 'A!', SUCCEED, 'found', 'A!'),
    529. 

  529.     ('(?i)(((((((((a)))))))))', 'A', SUCCEED, 'found', 'A'),
    530. 

  530.     ('(?i)(?:(?:(?:(?:(?:(?:(?:(?:(?:(a))))))))))', 'A', SUCCEED, 'g1', 'A'),
    531. 

  531.     ('(?i)(?:(?:(?:(?:(?:(?:(?:(?:(?:(a|b|c))))))))))', 'C', SUCCEED, 'g1', 'C'),
    532. 

  532.     ('(?i)multiple words of text', 'UH-UH', FAIL),
    533. 

  533.     ('(?i)multiple words', 'MULTIPLE WORDS, YEAH', SUCCEED, 'found', 'MULTIPLE WORDS'),
    534. 

  534.     ('(?i)(.*)c(.*)', 'ABCDE', SUCCEED, 'found+"-"+g1+"-"+g2', 'ABCDE-AB-DE'),
    535. 

  535.     ('(?i)\\((.*), (.*)\\)', '(A, B)', SUCCEED, 'g2+"-"+g1', 'B-A'),
    536. 

  536.     ('(?i)[k]', 'AB', FAIL),
    537. 

  537. #    ('(?i)abcd', 'ABCD', SUCCEED, 'found+"-"+\\found+"-"+\\\\found', 'ABCD-$&-\\ABCD'),
    538. 

  538. #    ('(?i)a(bc)d', 'ABCD', SUCCEED, 'g1+"-"+\\g1+"-"+\\\\g1', 'BC-$1-\\BC'),
    539. 

  539.     ('(?i)a[-]?c', 'AC', SUCCEED, 'found', 'AC'),
    540. 

  540.     ('(?i)(abc)\\1', 'ABCABC', SUCCEED, 'g1', 'ABC'),
    541. 

  541.     ('(?i)([a-c]*)\\1', 'ABCABC', SUCCEED, 'g1', 'ABC'),
    542. 

  542.     ('a(?!b).', 'abad', SUCCEED, 'found', 'ad'),
    543. 

  543.     ('a(?=d).', 'abad', SUCCEED, 'found', 'ad'),
    544. 

  544.     ('a(?=c|d).', 'abad', SUCCEED, 'found', 'ad'),
    545. 

  545.     ('a(?:b|c|d)(.)', 'ace', SUCCEED, 'g1', 'e'),
    546. 

  546.     ('a(?:b|c|d)*(.)', 'ace', SUCCEED, 'g1', 'e'),
    547. 

  547.     ('a(?:b|c|d)+?(.)', 'ace', SUCCEED, 'g1', 'e'),
    548. 

  548.     ('a(?:b|(c|e){1,2}?|d)+?(.)', 'ace', SUCCEED, 'g1 + g2', 'ce'),
    549. 

  549.     ('^(.+)?B', 'AB', SUCCEED, 'g1', 'A'),
    550. 

  550. 

  551.     # lookbehind: split by : but not if it is escaped by -.
    552. 

  552.     ('(?<!-):(.*?)(?<!-):', 'a:bc-:de:f', SUCCEED, 'g1', 'bc-:de' ),
    553. 

  553.     # escaping with \ as we know it
    554. 

  554.     ('(?<!\\\):(.*?)(?<!\\\):', 'a:bc\\:de:f', SUCCEED, 'g1', 'bc\\:de' ),
    555. 

  555.     # terminating with ' and escaping with ? as in edifact
    556. 

  556.     ("(?<!\\?)'(.*?)(?<!\\?)'", "a'bc?'de'f", SUCCEED, 'g1', "bc?'de" ),
    557. 

  557. 

  558.     # Comments using the (?#...) syntax
    559. 

  559. 

  560.     ('w(?# comment', 'w', SYNTAX_ERROR),
    561. 

  561.     ('w(?# comment 1)xy(?# comment 2)z', 'wxyz', SUCCEED, 'found', 'wxyz'),
    562. 

  562. 

  563.     # Check odd placement of embedded pattern modifiers
    564. 

  564. 

  565.     # not an error under PCRE/PRE:
    566. 

  566.     ('w(?i)', 'W', SUCCEED, 'found', 'W'),
    567. 

  567.     # ('w(?i)', 'W', SYNTAX_ERROR),
    568. 

  568. 

  569.     # Comments using the x embedded pattern modifier
    570. 

  570. 

  571.     ("""(?x)w# comment 1
    572. 

  572.         x y
    573. 

  573.         # comment 2
    574. 

  574.         z""", 'wxyz', SUCCEED, 'found', 'wxyz'),
    575. 

    576. 

  576.     # using the m embedded pattern modifier
    577. 

  577. 

  578.     ('^abc', """jkl
    579. 

  579. abc
    580. 

  580. xyz""", FAIL),
    581. 

  581.     ('(?m)^abc', """jkl
    582. 

  582. abc
    583. 

  583. xyz""", SUCCEED, 'found', 'abc'),
    584. 

    585. 

  585.     ('(?m)abc$', """jkl
    586. 

  586. xyzabc
    587. 

  587. 123""", SUCCEED, 'found', 'abc'),
    588. 

    589. 

  589.     # using the s embedded pattern modifier
    590. 

  590. 

  591.     ('a.b', 'a\nb', FAIL),
    592. 

  592.     ('(?s)a.b', 'a\nb', SUCCEED, 'found', 'a\nb'),
    593. 

  593. 

  594.     # test \w, etc. both inside and outside character classes
    595. 

  595. 

  596.     ('\\w+', '--ab_cd0123--', SUCCEED, 'found', 'ab_cd0123'),
    597. 

  597.     ('[\\w]+', '--ab_cd0123--', SUCCEED, 'found', 'ab_cd0123'),
    598. 

  598.     ('\\D+', '1234abc5678', SUCCEED, 'found', 'abc'),
    599. 

  599.     ('[\\D]+', '1234abc5678', SUCCEED, 'found', 'abc'),
    600. 

  600.     ('[\\da-fA-F]+', '123abc', SUCCEED, 'found', '123abc'),
    601. 

  601.     # not an error under PCRE/PRE:
    602. 

  602.     # ('[\\d-x]', '-', SYNTAX_ERROR),
    603. 

  603.     (r'([\s]*)([\S]*)([\s]*)', ' testing!1972', SUCCEED, 'g3+g2+g1', 'testing!1972 '),
    604. 

  604.     (r'(\s*)(\S*)(\s*)', ' testing!1972', SUCCEED, 'g3+g2+g1', 'testing!1972 '),
    605. 

  605. 

  606.     (r'\xff', '\377', SUCCEED, 'found', chr(255)),
    607. 

  607.     # new \x semantics
    608. 

  608.     (r'\x00ff', '\377', FAIL),
    609. 

  609.     # (r'\x00ff', '\377', SUCCEED, 'found', chr(255)),
    610. 

  610.     (r'\t\n\v\r\f\a\g', '\t\n\v\r\f\ag', SUCCEED, 'found', '\t\n\v\r\f\ag'),
    611. 

  611.     ('\t\n\v\r\f\a\g', '\t\n\v\r\f\ag', SUCCEED, 'found', '\t\n\v\r\f\ag'),
    612. 

  612.     (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. 

  613.     (r'[\t][\n][\v][\r][\f][\b]', '\t\n\v\r\f\b', SUCCEED, 'found', '\t\n\v\r\f\b'),
    614. 

  614. 

  615.     #
    616. 

  616.     # post-1.5.2 additions
    617. 

  617. 

  618.     # xmllib problem
    619. 

  619.     (r'(([a-z]+):)?([a-z]+)$', 'smil', SUCCEED, 'g1+"-"+g2+"-"+g3', 'None-None-smil'),
    620. 

  620.     # bug 110866: reference to undefined group
    621. 

  621.     (r'((.)\1+)', '', SYNTAX_ERROR),
    622. 

  622.     # bug 111869: search (PRE/PCRE fails on this one, SRE doesn't)
    623. 

  623.     (r'.*d', 'abc\nabd', SUCCEED, 'found', 'abd'),
    624. 

  624.     # bug 112468: various expected syntax errors
    625. 

  625.     (r'(', '', SYNTAX_ERROR),
    626. 

  626.     (r'[\41]', '!', SUCCEED, 'found', '!'),
    627. 

  627.     # bug 114033: nothing to repeat
    628. 

  628.     (r'(x?)?', 'x', SUCCEED, 'found', 'x'),
    629. 

  629.     # bug 115040: rescan if flags are modified inside pattern
    630. 

  630.     (r' (?x)foo ', 'foo', SUCCEED, 'found', 'foo'),
    631. 

  631.     # bug 115618: negative lookahead
    632. 

  632.     (r'(?<!abc)(d.f)', 'abcdefdof', SUCCEED, 'found', 'dof'),
    633. 

  633.     # bug 116251: character class bug
    634. 

  634.     (r'[\w-]+', 'laser_beam', SUCCEED, 'found', 'laser_beam'),
    635. 

  635.     # bug 123769+127259: non-greedy backtracking bug
    636. 

  636.     (r'.*?\S *:', 'xx:', SUCCEED, 'found', 'xx:'),
    637. 

  637.     (r'a[ ]*?\ (\d+).*', 'a   10', SUCCEED, 'found', 'a   10'),
    638. 

  638.     (r'a[ ]*?\ (\d+).*', 'a    10', SUCCEED, 'found', 'a    10'),
    639. 

  639.     # bug 127259: \Z shouldn't depend on multiline mode
    640. 

  640.     (r'(?ms).*?x\s*\Z(.*)','xx\nx\n', SUCCEED, 'g1', ''),
    641. 

  641.     # bug 128899: uppercase literals under the ignorecase flag
    642. 

  642.     (r'(?i)M+', 'MMM', SUCCEED, 'found', 'MMM'),
    643. 

  643.     (r'(?i)m+', 'MMM', SUCCEED, 'found', 'MMM'),
    644. 

  644.     (r'(?i)[M]+', 'MMM', SUCCEED, 'found', 'MMM'),
    645. 

  645.     (r'(?i)[m]+', 'MMM', SUCCEED, 'found', 'MMM'),
    646. 

  646.     # bug 130748: ^* should be an error (nothing to repeat)
    647. 

  647.     (r'^*', '', SYNTAX_ERROR),
    648. 

  648.     # bug 133283: minimizing repeat problem
    649. 

  649.     (r'"(?:\\"|[^"])*?"', r'"\""', SUCCEED, 'found', r'"\""'),
    650. 

  650.     # bug 477728: minimizing repeat problem
    651. 

  651.     (r'^.*?$', 'one\ntwo\nthree\n', FAIL),
    652. 

  652.     # bug 483789: minimizing repeat problem
    653. 

  653.     (r'a[^>]*?b', 'a>b', FAIL),
    654. 

  654.     # bug 490573: minimizing repeat problem
    655. 

  655.     (r'^a*?$', 'foo', FAIL),
    656. 

  656.     # bug 470582: nested groups problem
    657. 

  657.     (r'^((a)c)?(ab)$', 'ab', SUCCEED, 'g1+"-"+g2+"-"+g3', 'None-None-ab'),
    658. 

  658.     # another minimizing repeat problem (capturing groups in assertions)
    659. 

  659.     ('^([ab]*?)(?=(b)?)c', 'abc', SUCCEED, 'g1+"-"+g2', 'ab-None'),
    660. 

  660.     ('^([ab]*?)(?!(b))c', 'abc', SUCCEED, 'g1+"-"+g2', 'ab-None'),
    661. 

  661.     ('^([ab]*?)(?<!(a))c', 'abc', SUCCEED, 'g1+"-"+g2', 'ab-None'),
    662. 

  662. ]
    663. 

  663. 

  664. try:
    665. 

  665.     u = eval("u'\N{LATIN CAPITAL LETTER A WITH DIAERESIS}'")
    666. 

  666. except SyntaxError:
    667. 

  667.     pass
    668. 

  668. else:
    669. 

  669.     tests.extend([
    670. 

  670.     # bug 410271: \b broken under locales
    671. 

  671.     (r'\b.\b', 'a', SUCCEED, 'found', 'a'),
    672. 

  672.     (r'(?u)\b.\b', u, SUCCEED, 'found', u),
    673. 

  673.     (r'(?u)\w', u, SUCCEED, 'found', u),
    674. 

  674.     ])
    675. 

  675.