New submission from oliv <o_me...@yahoo.fr>:
Using python 2.6.4 on Arch Linux
The regular expression syntax in python indicate:
(?(id/name)yes-pattern|no-pattern)
Will try to match with yes-pattern if the group with given id or name exists,
and with no-pattern if it doesn’t.
I used that functionnality but the code doesn't works anymore:
import re
myre =
re.compile('(?P<port>[0-9]+/(tcp|udp))\s+(?P<status>\S+)\s+(?P<service>[a-zA-Z0-9_-]+)\s*(?P<details>.*)')
myre.sub('(?(<details>)\g<details>|\g<service>)',"443/tcp open ssl
Microsoft IIS SSL")
> The output is:
'(?(<details>)Microsoft IIS SSL|ssl)'
Instead of:
Microsoft IIS SSL
It looks like a bug as it was working earlier...
----------
components: Build
messages: 100926
nosy: oliv
severity: normal
status: open
title: re.sub doesn't handle properly matches with yes-pattern no-pattern
versions: Python 2.6
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue8122>
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