Message 155273 - Python tracker

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Author	py.user
Recipients	ezio.melotti, loewis, mrabarnett, py.user
Date	2012-03-10.00:19:06
SpamBayes Score	1.827228e-05
Marked as misclassified	No
Message-id	<1331338747.57.0.0600173685423.issue14237@psf.upfronthosting.co.za>
In-reply-to

Content
Martin v. Löwis wrote: > What behavior would you expect? I expected similar work >>> re.search(r'[\s]a', ' a').group() ' a' >>> re.search(r'[\s]a', 'ba').group() Traceback (most recent call last): File "<stdin>", line 1, in <module> AttributeError: 'NoneType' object has no attribute 'group' >>> >>> >>> re.search(r'[^\s]a', ' a').group() Traceback (most recent call last): File "<stdin>", line 1, in <module> AttributeError: 'NoneType' object has no attribute 'group' >>> re.search(r'[^\s]a', 'ba').group() 'ba' >>>

Martin v. Löwis wrote:
> What behavior would you expect?

I expected similar work

>>> re.search(r'[\s]a', ' a').group()
' a'
>>> re.search(r'[\s]a', 'ba').group()
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
AttributeError: 'NoneType' object has no attribute 'group'
>>> 
>>> 
>>> re.search(r'[^\s]a', ' a').group()
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
AttributeError: 'NoneType' object has no attribute 'group'
>>> re.search(r'[^\s]a', 'ba').group()
'ba'
>>>

History
Date	User	Action	Args
2012-03-10 00:19:07	py.user	set	recipients: + py.user, loewis, ezio.melotti, mrabarnett
2012-03-10 00:19:07	py.user	set	messageid: <1331338747.57.0.0600173685423.issue14237@psf.upfronthosting.co.za>
2012-03-10 00:19:07	py.user	link	issue14237 messages
2012-03-10 00:19:06	py.user	create