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From: Chris Angelico <rosuav@gmail.com>
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Subject: Re: DSL design (was DSLs in perl and python)
Date: Wed, 30 Mar 2016 00:41:15 +1100
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On Wed, Mar 30, 2016 at 12:28 AM, Rustom Mody <rustompmody@gmail.com> wrote:
> Thanks once again to Peter and Jussi.
> With that groupindex pointer, this tiny dsl for re's is here
> https://github.com/rusimody/redsl
> [How BTW did you folks go about unearth that groupindex?? Dont see it in docs]

Depending on your version:

https://docs.python.org/2/library/re.html#re.RegexObject.groupindex
https://docs.python.org/3/library/re.html#re.regex.groupindex

You can find that by searching the docs for "?P", the syntax used in
the RE itself.

ChrisA