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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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Xref: csiph.com comp.lang.python:88663

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