Re: Weird problem matching with REs

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Date	Sun, 29 May 2011 09:35:19 -0500
From	Andrew Berg <bahamutzero8825@gmail.com>
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Subject	Re: Weird problem matching with REs
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On 2011.05.29 09:18 AM, Steven D'Aprano wrote:
> >> What makes you think it shouldn't match?
> > 
> > AFAIK, dots aren't supposed to match carriage returns or any other
> > whitespace characters.
>
> They won't match *newlines* \n unless you pass the DOTALL flag, but they 
> do match whitespace:
>
> >>> re.search('abc.efg', '----abc efg----').group()
> 'abc efg'
> >>> re.search('abc.efg', '----abc\refg----').group()
> 'abc\refg'
> >>> re.search('abc.efg', '----abc\nefg----') is None
> True
I got things mixed up there (was thinking whitespace instead of
newlines), but I thought dots aren't supposed to match '\r' (carriage
return). Why is '\r' not considered a newline character?

Thread

Weird problem matching with REs Andrew Berg <bahamutzero8825@gmail.com> - 2011-05-29 06:45 -0500
  Re: Weird problem matching with REs Ben Finney <ben+python@benfinney.id.au> - 2011-05-29 23:00 +1000
    Re: Weird problem matching with REs Ben Finney <ben+python@benfinney.id.au> - 2011-05-29 23:03 +1000
    Re: Weird problem matching with REs Andrew Berg <bahamutzero8825@gmail.com> - 2011-05-29 08:29 -0500
  Re: Weird problem matching with REs Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-05-29 13:09 +0000
    Re: Weird problem matching with REs Andrew Berg <bahamutzero8825@gmail.com> - 2011-05-29 08:41 -0500
      Re: Weird problem matching with REs Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-05-29 14:18 +0000
        Re: Weird problem matching with REs Andrew Berg <bahamutzero8825@gmail.com> - 2011-05-29 09:35 -0500
          Re: Weird problem matching with REs John S <jstrickler@gmail.com> - 2011-05-29 08:48 -0700
            Re: Weird problem matching with REs Andrew Berg <bahamutzero8825@gmail.com> - 2011-05-29 11:16 -0500
              Re: Weird problem matching with REs John S <jstrickler@gmail.com> - 2011-05-29 09:45 -0700
            Re: Weird problem matching with REs Chris Angelico <rosuav@gmail.com> - 2011-05-30 03:57 +1000
      Re: Weird problem matching with REs Roy Smith <roy@panix.com> - 2011-05-29 11:19 -0400
        Re: Weird problem matching with REs Andrew Berg <bahamutzero8825@gmail.com> - 2011-05-29 10:31 -0500
          Re: Weird problem matching with REs Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2011-05-29 21:06 +0200

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