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Re: Template language for random string generation

Newsgroups comp.lang.python
Date 2014-08-10 21:56 -0700
References <14d94692-2257-4dfb-a82f-f1674a839233@googlegroups.com> <mailman.12817.1407674628.18130.python-list@python.org> <b8cf8463-ba05-4f2f-b572-60f73a7a9917@googlegroups.com> <mailman.12819.1407689317.18130.python-list@python.org>
Message-ID <47417cbb-5624-4cbd-96ce-6e2f064f527f@googlegroups.com> (permalink)
Subject Re: Template language for random string generation
From Paul Wolf <paulwolf333@gmail.com>

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On Sunday, 10 August 2014 17:47:48 UTC+1, Ian  wrote:
> On Sun, Aug 10, 2014 at 10:34 AM, Paul Wolf <paulwolf333@gmail.com> wrote:
> 
> > For instance, a template language that validates the output would have to do frequency analysis. But that is getting too far off the purpose of strgen, although such a mechanism would certainly have its place.
> 
> 
> 
> I don't think that would be necessary. The question being asked with
> 
> validation is "can this string be generated from this template", not
> 
> "is this string generated from this template with relatively high
> 
> probability".

Sorry, I meant frequency incidence within a produced string. And I understood Devin's point to be: For any given strgen expression that produces a set of strings, is there always a regex expression that captures the exact same set. And therefore is it not theoretically the case (leaving aside verbosity) that one of the syntaxes is superfluous (strgen). I think that is an entirely valid and interesting question. I'd have said before that it is not the case, but now I'm not so sure. I would still be sure that the strgen syntax is more fit for purpose for generating strings than regex on the basis of easy-of-use.

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Thread

Template language for random string generation Paul Wolf <paulwolf333@gmail.com> - 2014-08-08 02:01 -0700
  Re: Template language for random string generation Chris Angelico <rosuav@gmail.com> - 2014-08-08 19:22 +1000
    Re: Template language for random string generation Paul Wolf <paulwolf333@gmail.com> - 2014-08-08 02:42 -0700
      Re: Template language for random string generation Ned Batchelder <ned@nedbatchelder.com> - 2014-08-08 07:20 -0400
        Re: Template language for random string generation Paul Wolf <paulwolf333@gmail.com> - 2014-08-08 06:02 -0700
      Re: Template language for random string generation Chris Angelico <rosuav@gmail.com> - 2014-08-08 21:29 +1000
        Re: Template language for random string generation Paul Wolf <paulwolf333@gmail.com> - 2014-08-08 06:03 -0700
  Re: Template language for random string generation Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-08-09 00:08 +1000
  Re: Template language for random string generation Skip Montanaro <skip@pobox.com> - 2014-08-08 09:35 -0500
    Re: Template language for random string generation cwolf.algo@gmail.com - 2014-08-08 11:43 -0700
      Re: Template language for random string generation Nick Cash <nick.cash@npcinternational.com> - 2014-08-08 20:28 +0000
  Re: Template language for random string generation Ian Kelly <ian.g.kelly@gmail.com> - 2014-08-08 16:03 -0600
    Re: Template language for random string generation Paul Wolf <paulwolf333@gmail.com> - 2014-08-08 23:52 -0700
      Re: Template language for random string generation Ian Kelly <ian.g.kelly@gmail.com> - 2014-08-09 01:49 -0600
      Re: Template language for random string generation Ian Kelly <ian.g.kelly@gmail.com> - 2014-08-09 01:57 -0600
  Re: Template language for random string generation Devin Jeanpierre <jeanpierreda@gmail.com> - 2014-08-10 05:43 -0700
    Re: Template language for random string generation Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-08-11 02:31 +1000
      Re: Template language for random string generation Devin Jeanpierre <jeanpierreda@gmail.com> - 2014-08-10 11:28 -0700
        Re: Template language for random string generation Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-08-11 12:22 +1000
          Re: Template language for random string generation Chris Angelico <rosuav@gmail.com> - 2014-08-11 12:31 +1000
          Re: Template language for random string generation Devin Jeanpierre <jeanpierreda@gmail.com> - 2014-08-11 00:01 -0700
      Re: Template language for random string generation Chris Angelico <rosuav@gmail.com> - 2014-08-11 05:25 +1000
      Re: Template language for random string generation Paul Wolf <paulwolf333@gmail.com> - 2014-08-10 22:06 -0700
        Re: Template language for random string generation Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-08-11 08:58 +0100
    Re: Template language for random string generation Paul Wolf <paulwolf333@gmail.com> - 2014-08-10 09:34 -0700
      Re: Template language for random string generation Ian Kelly <ian.g.kelly@gmail.com> - 2014-08-10 10:47 -0600
        Re: Template language for random string generation Paul Wolf <paulwolf333@gmail.com> - 2014-08-10 21:56 -0700
      Re: Template language for random string generation Devin Jeanpierre <jeanpierreda@gmail.com> - 2014-08-10 11:48 -0700
  Re: Template language for random string generation Ian Kelly <ian.g.kelly@gmail.com> - 2014-08-10 10:38 -0600

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