py.user <port...@yandex.ru> added the comment:
the multiline mode affects on regex.match()
>>> p = re.compile(r'^a')
>>> p.match('abc\nabc')
<_sre.SRE_Match object at 0xb749bf38>
>>> p.match('abc\nabc').span()
(0, 1)
>>> p.match('abc\nabc', 4)
>>>
>>> p = re.compile(r'^a', re.M)
>>> p.match('abc\nabc', 4)
<_sre.SRE_Match object at 0xb749bf38>
>>> p.match('abc\nabc', 4).span()
(4, 5)
>>>
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue14155>
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