Re: Question about metacharacter '*'

References	<1404668474.56075.BPMail_high_noncarrier@web163802.mail.gq1.yahoo.com> <53B9D273.1060706@mrabarnett.plus.com>
From	Ian Kelly <ian.g.kelly@gmail.com>
Date	2014-07-07 11:05 -0600
Subject	Re: Question about metacharacter '*'
Newsgroups	comp.lang.python
Message-ID	<mailman.11602.1404752788.18130.python-list@python.org> (permalink)

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On Sun, Jul 6, 2014 at 4:49 PM, MRAB <python@mrabarnett.plus.com> wrote:
> \d also matches more than just [0-9] in Unicode.

I think that anything matched by \d will also be accepted by int().

>>> decimals = [c for c in (chr(i) for i in range(17 * 2**16)) if unicodedata.category(c) == 'Nd']
>>> len(decimals)
460
>>> re.match(r'\d*', ''.join(decimals)).span()
(0, 460)
>>> int(''.join(decimals))
123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789
>>> nondecimals = [c for c in (chr(i) for i in range(17 * 2**16)) if unicodedata.category(c) in 'NoNl']
>>> len(nondecimals)
688
>>> re.findall(r'\d', ''.join(nondecimals))
[]

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Re: Question about metacharacter '*' Ian Kelly <ian.g.kelly@gmail.com> - 2014-07-07 11:05 -0600

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