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Groups > comp.lang.python > #64364

Re: regex multiple patterns in order

From Mark Lawrence <breamoreboy@yahoo.co.uk>
Subject Re: regex multiple patterns in order
Date 2014-01-20 16:16 +0000
References <CAPV1RAAiD3qWqrAJYc4yb80CaHG4A9N4jz4aY_CsyJr_nAUx9Q@mail.gmail.com> <mailman.5748.1390216721.18130.python-list@python.org> <roy-C6EC2C.09525920012014@news.panix.com> <lbjher$8hf$1@ger.gmane.org>
Newsgroups comp.lang.python
Message-ID <mailman.5751.1390234616.18130.python-list@python.org> (permalink)

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On 20/01/2014 16:04, Neil Cerutti wrote:
> On 2014-01-20, Roy Smith <roy@panix.com> wrote:
>> In article
>> <mailman.5748.1390216721.18130.python-list@python.org>, Ben
>> Finney <ben+python@benfinney.id.au> wrote:
>>> Be aware that regex is not the solution to all parsing
>>> problems; for many parsing problems it is an attractive but
>>> inappropriate tool. You may need to construct a more specific
>>> parser for your needs. Even if it's possible with regex, the
>>> resulting pattern may be so complex that it's better to write
>>> it out more explicitly.
>>
>> Oh, posh.
>>
>> You are correct; regex is not the solution to all parsing
>> problems, but it is a powerful tool which people should be
>> encouraged to learn.  For some problems, it is indeed the
>> correct tool, and this seems like one of them.  Discouraging
>> people from learning about regexes is an educational
>> anti-pattern which I see distressingly often on this newsgroup.
>
> I use regular expressions regularly, for example, when editing
> text with gvim. But when I want to use them in Python I have to
> contend with the re module. I've never become comfortable with
> it.
>

You don't have to, there's always the "new" regex module that's been on 
pypi for years.  Or are you saying that you'd like to use regex but 
other influences that are outside of your sphere of control prevent you 
from doing so?

-- 
My fellow Pythonistas, ask not what our language can do for you, ask 
what you can do for our language.

Mark Lawrence

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Thread

Re: regex multiple patterns in order Ben Finney <ben+python@benfinney.id.au> - 2014-01-20 22:18 +1100
  Re: regex multiple patterns in order Roy Smith <roy@panix.com> - 2014-01-20 09:52 -0500
    Re: regex multiple patterns in order Neil Cerutti <neilc@norwich.edu> - 2014-01-20 16:04 +0000
    Re: regex multiple patterns in order Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-01-20 16:16 +0000
    Re: regex multiple patterns in order Devin Jeanpierre <jeanpierreda@gmail.com> - 2014-01-20 08:40 -0800
      Re: regex multiple patterns in order Rustom Mody <rustompmody@gmail.com> - 2014-01-20 09:06 -0800
        Re: regex multiple patterns in order Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-01-20 17:30 +0000
    Re: regex multiple patterns in order Neil Cerutti <neilc@norwich.edu> - 2014-01-20 17:09 +0000
    Re: regex multiple patterns in order Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-01-20 17:33 +0000

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