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How to find out which named regular expression group corresponds to which positional regex group

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Date Wed, 8 Apr 2015 15:23:19 +0200
Subject How to find out which named regular expression group corresponds to which positional regex group
From Mattias Ugelvik <uglemat@gmail.com>
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I'm making a string manipulation tool in which I need to know this correlation.

Take this example: re.match('(?P<first>a?)(?P<second>b?)', '')

I need to know that 'first' is group #1, and 'second' is group #2. I
need this to resolve certain ambiguities. I was hopin

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How to find out which named regular expression group corresponds to which positional regex group Mattias Ugelvik <uglemat@gmail.com> - 2015-04-08 15:23 +0200
  Re: How to find out which named regular expression group corresponds to which positional regex group Damien Wyart <damien.wyart@free.fr> - 2015-04-08 15:32 +0200

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