How to substitute into a regular expression group in Python

Posted by peter on Stack Overflow See other posts from Stack Overflow or by peter
Published on 2010-06-17T05:41:25Z Indexed on 2010/06/17 6:23 UTC
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python

|

regex

>>> s = 'foo: "apples", bar: "oranges"'
>>> pattern = 'foo: "(.*)"'

I want to be able to substitute into the group like this:

>>> re.sub(pattern, 'pears', s, group=1)
'foo: "pears", bar: "oranges"'

Is there a nice way to do this?

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