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Fixed negative lookahead/lookbehind. Closes bug #115618.

This commit is contained in:
Fredrik Lundh 2000-10-03 16:29:23 +00:00
parent 84294487df
commit 65d4bc616a
2 changed files with 3 additions and 4 deletions
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2
Lib/test/re_tests.py
View File

@ -615,4 +615,6 @@ xyzabc
# bug 112468
('(', '', SYNTAX_ERROR),
('[\\41]', '!', SUCCEED, 'found', '!'),
# bug 115618
(r'(?<!abc)(d.f)', 'abcdefdof', SUCCEED, 'found', 'dof'),
]

5
Modules/_sre.c
View File

@ -20,6 +20,7 @@
* 2000-09-02 fl return -1 instead of None for start/end/span
* 2000-09-20 fl added expand method
* 2000-09-21 fl don't use the buffer interface for unicode strings
* 2000-10-03 fl fixed assert_not primitive
*
* Copyright (c) 1997-2000 by Secret Labs AB. All rights reserved.
*
@ -774,8 +775,6 @@ SRE_MATCH(SRE_STATE* state, SRE_CODE* pattern, int level)
i = SRE_MATCH(state, pattern + 2, level + 1);
if (i <= 0)
return i;
if (pattern[1] > 0 && state->ptr != ptr)
return SRE_ERROR_STATE;
pattern += pattern[0];
break;
@ -791,8 +790,6 @@ SRE_MATCH(SRE_STATE* state, SRE_CODE* pattern, int level)
return i;
if (i)
return 0;
if (pattern[1] > 0 && state->ptr != ptr)
return SRE_ERROR_STATE;
pattern += pattern[0];
break;