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Issue #22493: Inline flags now should be used only at the start of the

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regular expression.  Deprecation warning is emitted if uses them in the
middle of the regular expression.
This commit is contained in:
Serhiy Storchaka 2016-09-11 12:50:02 +03:00
parent 352601ca00
commit bd48d27944
12 changed files with 58 additions and 34 deletions
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8
Lib/test/re_tests.py
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@ -106,8 +106,8 @@ tests = [
('a.*b', 'acc\nccb', FAIL),
('a.{4,5}b', 'acc\nccb', FAIL),
('a.b', 'a\rb', SUCCEED, 'found', 'a\rb'),
('a.b(?s)', 'a\nb', SUCCEED, 'found', 'a\nb'),
('a.*(?s)b', 'acc\nccb', SUCCEED, 'found', 'acc\nccb'),
('(?s)a.b', 'a\nb', SUCCEED, 'found', 'a\nb'),
('(?s)a.*b', 'acc\nccb', SUCCEED, 'found', 'acc\nccb'),
('(?s)a.{4,5}b', 'acc\nccb', SUCCEED, 'found', 'acc\nccb'),
('(?s)a.b', 'a\nb', SUCCEED, 'found', 'a\nb'),
@ -563,7 +563,7 @@ tests = [
# Check odd placement of embedded pattern modifiers
# not an error under PCRE/PRE:
('w(?i)', 'W', SUCCEED, 'found', 'W'),
('(?i)w', 'W', SUCCEED, 'found', 'W'),
# ('w(?i)', 'W', SYNTAX_ERROR),
# Comments using the x embedded pattern modifier
@ -627,7 +627,7 @@ xyzabc
# bug 114033: nothing to repeat
(r'(x?)?', 'x', SUCCEED, 'found', 'x'),
# bug 115040: rescan if flags are modified inside pattern
(r' (?x)foo ', 'foo', SUCCEED, 'found', 'foo'),
(r'(?x) foo ', 'foo', SUCCEED, 'found', 'foo'),
# bug 115618: negative lookahead
(r'(?<!abc)(d.f)', 'abcdefdof', SUCCEED, 'found', 'dof'),
# bug 116251: character class bug