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Groups > comp.lang.python > #105249
| Newsgroups | comp.lang.python |
|---|---|
| Date | 2016-03-18 19:07 -0700 |
| References | (5 earlier) <7f139f92-3957-40e5-be75-ad19b9401617@googlegroups.com> <ncfao4$88a$1@ger.gmane.org> <mailman.294.1458254815.12893.python-list@python.org> <b3b4b5a9-65e2-4598-8bba-1f4427f9abec@googlegroups.com> <mailman.315.1458307357.12893.python-list@python.org> |
| Message-ID | <21d252f4-c6a8-4241-88e4-c5f492ebb835@googlegroups.com> (permalink) |
| Subject | Re: DSLs in perl and python (Was sobering observation) |
| From | Rustom Mody <rustompmody@gmail.com> |
On Friday, March 18, 2016 at 6:52:53 PM UTC+5:30, Peter Otten wrote:
> Rustom Mody wrote:
>
> > On Friday, March 18, 2016 at 4:17:06 AM UTC+5:30, MRAB wrote:
> >> Stick an "x" on the end of the regex: /something/x or s/old/new/x.
> >
> > Thanks!
> >
> > Is there somewhere a regexp 'introspection' API/capability available?
> >
> > ie if the re looks like
> > rexp = r"""
> > # DSL (instantiation) for describing NYSE symbology
> > ^
> > (?P<scrip> [A-Z]*) # The base scrip
> > (?P<serchar> [.+-])? # Series type char
> > (?P<series> [A-Z])? # Series
> > (?P<issuedc> [#])? # issued char indicator
> > $ # Thats all (there should be!)
> > """
> >
> > I would like to know that the named-groups are
> > {scrip, serchar, series, issued}
> > without doing match/search etc
>
> Is that a Perl or a Python question? If the latter:
>
> >>> r = re.compile(rexp, re.VERBOSE)
> >>> r.groupindex
> {'serchar': 2, 'issuedc': 4, 'scrip': 1, 'series': 3}
Neat Thanks (and Jussi)
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sobering observation, python vs. perl "Charles T. Smith" <cts.private.yahoo@gmail.com> - 2016-03-17 15:29 +0000
Re: sobering observation, python vs. perl "Charles T. Smith" <cts.private.yahoo@gmail.com> - 2016-03-17 15:40 +0000
Re: sobering observation, python vs. perl Marko Rauhamaa <marko@pacujo.net> - 2016-03-17 17:48 +0200
Re: sobering observation, python vs. perl "Charles T. Smith" <cts.private.yahoo@gmail.com> - 2016-03-17 15:59 +0000
Re: sobering observation, python vs. perl Marko Rauhamaa <marko@pacujo.net> - 2016-03-17 18:07 +0200
Re: sobering observation, python vs. perl "Charles T. Smith" <cts.private.yahoo@gmail.com> - 2016-03-17 16:15 +0000
Re: sobering observation, python vs. perl Marko Rauhamaa <marko@pacujo.net> - 2016-03-17 17:47 +0200
Re: sobering observation, python vs. perl "Charles T. Smith" <cts.private.yahoo@gmail.com> - 2016-03-17 16:06 +0000
Re: sobering observation, python vs. perl Marko Rauhamaa <marko@pacujo.net> - 2016-03-17 18:30 +0200
Re: sobering observation, python vs. perl "Charles T. Smith" <cts.private.yahoo@gmail.com> - 2016-03-17 16:32 +0000
Re: sobering observation, python vs. perl srinivas devaki <mr.eightnoteight@gmail.com> - 2016-03-17 21:18 +0530
Re: sobering observation, python vs. perl "Charles T. Smith" <cts.private.yahoo@gmail.com> - 2016-03-17 16:15 +0000
Re: sobering observation, python vs. perl Tim Chase <python.list@tim.thechases.com> - 2016-03-17 10:52 -0500
Re: sobering observation, python vs. perl "Charles T. Smith" <cts.private.yahoo@gmail.com> - 2016-03-17 16:08 +0000
Re: sobering observation, python vs. perl Ethan Furman <ethan@stoneleaf.us> - 2016-03-17 09:21 -0700
Re: sobering observation, python vs. perl "Charles T. Smith" <cts.private.yahoo@gmail.com> - 2016-03-17 16:36 +0000
Re: sobering observation, python vs. perl Mark Lawrence <breamoreboy@yahoo.co.uk> - 2016-03-17 17:09 +0000
Re: sobering observation, python vs. perl Ethan Furman <ethan@stoneleaf.us> - 2016-03-17 10:26 -0700
Re: sobering observation, python vs. perl "Charles T. Smith" <cts.private.yahoo@gmail.com> - 2016-03-17 17:35 +0000
Re: sobering observation, python vs. perl Ethan Furman <ethan@stoneleaf.us> - 2016-03-17 11:21 -0700
DSLs in perl and python (Was sobering observation) Rustom Mody <rustompmody@gmail.com> - 2016-03-17 10:47 -0700
Re: DSLs in perl and python (Was sobering observation) Mark Lawrence <breamoreboy@yahoo.co.uk> - 2016-03-17 22:22 +0000
Re: DSLs in perl and python (Was sobering observation) MRAB <python@mrabarnett.plus.com> - 2016-03-17 22:43 +0000
Re: DSLs in perl and python (Was sobering observation) Rustom Mody <rustompmody@gmail.com> - 2016-03-18 05:57 -0700
Re: DSLs in perl and python (Was sobering observation) Jussi Piitulainen <jussi.piitulainen@helsinki.fi> - 2016-03-18 15:18 +0200
Re: DSLs in perl and python (Was sobering observation) Peter Otten <__peter__@web.de> - 2016-03-18 14:22 +0100
Re: DSLs in perl and python (Was sobering observation) Rustom Mody <rustompmody@gmail.com> - 2016-03-18 19:07 -0700
DSL design (was DSLs in perl and python) Rustom Mody <rustompmody@gmail.com> - 2016-03-29 06:28 -0700
Re: DSL design (was DSLs in perl and python) Chris Angelico <rosuav@gmail.com> - 2016-03-30 00:41 +1100
Re: DSL design (was DSLs in perl and python) Jussi Piitulainen <jussi.piitulainen@helsinki.fi> - 2016-03-29 16:45 +0300
Finding methods, was Re: DSL design (was DSLs in perl and python) Peter Otten <__peter__@web.de> - 2016-03-29 15:51 +0200
Re: sobering observation, python vs. perl Marko Rauhamaa <marko@pacujo.net> - 2016-03-17 18:34 +0200
Re: sobering observation, python vs. perl "Charles T. Smith" <cts.private.yahoo@gmail.com> - 2016-03-17 16:42 +0000
Re: sobering observation, python vs. perl Marko Rauhamaa <marko@pacujo.net> - 2016-03-17 19:08 +0200
Re: sobering observation, python vs. perl "Charles T. Smith" <cts.private.yahoo@gmail.com> - 2016-03-17 17:25 +0000
Re: sobering observation, python vs. perl BartC <bc@freeuk.com> - 2016-03-17 17:53 +0000
Re: sobering observation, python vs. perl Rustom Mody <rustompmody@gmail.com> - 2016-03-17 10:59 -0700
Re: sobering observation, python vs. perl Marko Rauhamaa <marko@pacujo.net> - 2016-03-17 20:53 +0200
Re: sobering observation, python vs. perl BartC <bc@freeuk.com> - 2016-03-17 19:06 +0000
Re: sobering observation, python vs. perl Marko Rauhamaa <marko@pacujo.net> - 2016-03-17 21:11 +0200
Re: sobering observation, python vs. perl Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-03-17 20:47 +0000
Re: sobering observation, python vs. perl Peter Otten <__peter__@web.de> - 2016-03-18 10:26 +0100
Re: sobering observation, python vs. perl Steven D'Aprano <steve@pearwood.info> - 2016-03-18 22:47 +1100
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