Re: Regex substitution trouble

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From	Eugene <hexumg@gmail.com>
Subject	Re: Regex substitution trouble
Date	Wed, 05 Nov 2014 13:44:35 +0300
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massi_srb@msn.com wrote:

> Hi everyone,
> 
> I'm not really sure if this is the right place to ask about regular
> expressions, but since I'm usin python I thought I could give a try 
:-)
> Here is the problem, I'm trying to write a regex in order to 
substitute
> all the occurences in the form $"somechars" with another string. This 
is
> what I wrote:
> 
> newstring = re.sub(ur"""(?u)(\$\"[\s\w]+\")""", subst, oldstring)
> 
> This works pretty well, but it has a problem, I would need it also to
> handle the case in which the internal string contains the double 
quotes,
> but only if preceeded by a backslash, that is something like
> $"somechars_with\\"doublequotes". Can anyone help me to correct it?
> 
> Thanks in advance!
Hi!

Next snippet works for me:

re.sub(r'\$"([\s\w]+(\\")*[\s\w]+)+"', 'noop', r'$"te\"sts\"tri\"ng"')

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Regex substitution trouble massi_srb@msn.com - 2014-10-28 04:02 -0700
  Re: Regex substitution trouble Chris Angelico <rosuav@gmail.com> - 2014-10-28 22:24 +1100
    Re: Regex substitution trouble massi_srb@msn.com - 2014-10-28 05:28 -0700
      Re: Regex substitution trouble Chris Angelico <rosuav@gmail.com> - 2014-10-28 23:59 +1100
      Re: Regex substitution trouble MRAB <python@mrabarnett.plus.com> - 2014-10-28 17:52 +0000
  Re: Regex substitution trouble TP <wingusr@gmail.com> - 2014-10-28 06:25 -0700
  Re: Regex substitution trouble Tim <jtim.arnold@gmail.com> - 2014-10-28 09:38 -0700
  Re: Regex substitution trouble Cameron Simpson <cs@zip.com.au> - 2014-10-29 13:14 +1100
  Re: Regex substitution trouble Eugene <hexumg@gmail.com> - 2014-11-05 13:44 +0300

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