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Issue #1700, reported by Nguyen Quan Son, fix by Fredruk Lundh:

Browse source 
Regular Expression inline flags not handled correctly for some unicode
characters.  (Forward port from 2.5.2.)
This commit is contained in:
Guido van Rossum 2008-01-03 19:12:44 +00:00
parent 1beea3be3e
commit ae04c3356e
3 changed files with 34 additions and 1 deletions
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30
Lib/test/test_re.py
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@ -642,6 +642,36 @@ class ReTests(unittest.TestCase):
self.assertEqual(re.compile("bla").match(a), None)
self.assertEqual(re.compile("").match(a).groups(), ())
def test_inline_flags(self):
# Bug #1700
upper_char = unichr(0x1ea0) # Latin Capital Letter A with Dot Bellow
lower_char = unichr(0x1ea1) # Latin Small Letter A with Dot Bellow
p = re.compile(upper_char, re.I | re.U)
q = p.match(lower_char)
self.assertNotEqual(q, None)
p = re.compile(lower_char, re.I | re.U)
q = p.match(upper_char)
self.assertNotEqual(q, None)
p = re.compile('(?i)' + upper_char, re.U)
q = p.match(lower_char)
self.assertNotEqual(q, None)
p = re.compile('(?i)' + lower_char, re.U)
q = p.match(upper_char)
self.assertNotEqual(q, None)
p = re.compile('(?iu)' + upper_char)
q = p.match(lower_char)
self.assertNotEqual(q, None)
p = re.compile('(?iu)' + lower_char)
q = p.match(upper_char)
self.assertNotEqual(q, None)
def run_re_tests():
from test.re_tests import benchmarks, tests, SUCCEED, FAIL, SYNTAX_ERROR
if verbose: