Message 152195 - Python tracker

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Author	ezio.melotti
Recipients	ezio.melotti, mrabarnett, sjmachin
Date	2012-01-28.22:42:33
SpamBayes Score	2.8312783e-05
Marked as misclassified	No
Message-id	<1327790554.32.0.914804527022.issue13899@psf.upfronthosting.co.za>
In-reply-to

Content
This happens because \A, \B and \Z are valid escape sequences[0]. If what you mean is that they shouldn't be recognized as such inside a character class, then I can agree with that. ^ and $ are similar to \A and \Z but they are considered as literals inside []. I think the same could also be applied to \b and \B, unless you expect r'[\b]' to match the same as r'\b'. (On an unrelated note, it's preferable to avoid using ints as flag -- using re.DEBUG is better) [0]: http://docs.python.org/library/re.html#regular-expression-syntax

This happens because \A, \B and \Z are valid escape sequences[0].
If what you mean is that they shouldn't be recognized as such inside a character class, then I can agree with that.
^ and $ are similar to \A and \Z but they are considered as literals inside [].  I think the same could also be applied to \b and \B, unless you expect r'[\b]' to match the same as r'\b'.

(On an unrelated note, it's preferable to avoid using ints as flag -- using re.DEBUG is better)

[0]: http://docs.python.org/library/re.html#regular-expression-syntax

History
Date	User	Action	Args
2012-01-28 22:42:34	ezio.melotti	set	recipients: + ezio.melotti, sjmachin, mrabarnett
2012-01-28 22:42:34	ezio.melotti	set	messageid: <1327790554.32.0.914804527022.issue13899@psf.upfronthosting.co.za>
2012-01-28 22:42:33	ezio.melotti	link	issue13899 messages
2012-01-28 22:42:33	ezio.melotti	create