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Issue #16688: Fix backreferences did make case-insensitive regex fail on non-ASCII strings.

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Patch by Matthew Barnett.
This commit is contained in:
Serhiy Storchaka 2012-12-29 23:38:48 +02:00
parent 2d8298dcd2
commit c1b59d4552
4 changed files with 15 additions and 5 deletions
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5
Lib/test/test_re.py
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@ -968,6 +968,11 @@ class ReTests(unittest.TestCase):
self.assertEqual(r, s)
self.assertEqual(n, size + 1)
def test_bug_16688(self):
# Issue 16688: Backreferences make case-insensitive regex fail on
# non-ASCII strings.
self.assertEqual(re.findall(r"(?i)(a)\1", "aa \u0100"), ['a'])
self.assertEqual(re.match(r"(?s).{1,3}", "\u0100\u0100").span(), (0, 2))
def run_re_tests():
from test.re_tests import tests, SUCCEED, FAIL, SYNTAX_ERROR