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Groups > comp.lang.python > #38302

Curious to see alternate approach on a search/replace via regex

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I am curious to know if others would have done this differently. And if so
how so?

This converts a url to a more easily managed filename, stripping the
http protocol off. 

This:
 
http://alongnameofasite1234567.com/q?sports=run&a=1&b=1

becomes this:

alongnameofasite1234567_com_q_sports_run_a_1_b_1


def u2f(u):
    nx = re.compile(r'https?://(.+)$')
    u = nx.search(u).group(1)
    ux = re.compile(r'([-:./?&=]+)')
    return ux.sub('_', u)

One alternate is to not do the compile step. There must also be a way to
do it all at once. i.e. remove the protocol and replace the chars.

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Curious to see alternate approach on a search/replace via regex rh <richard_hubbe11@lavabit.com> - 2013-02-06 13:41 -0800
  Re: Curious to see alternate approach on a search/replace via regex Roy Smith <roy@panix.com> - 2013-02-06 16:54 -0500
  Re: Curious to see alternate approach on a search/replace via regex Nick Mellor <thebalancepro@gmail.com> - 2013-02-07 04:53 -0800
    Re: Curious to see alternate approach on a search/replace via regex rh <richard_hubbe11@lavabit.com> - 2013-02-07 21:47 -0800
      Re: Curious to see alternate approach on a search/replace via regex Nick Mellor <thebalancepro@gmail.com> - 2013-02-08 00:53 -0800
      Re: Curious to see alternate approach on a search/replace via regex Nick Mellor <thebalancepro@gmail.com> - 2013-02-08 00:53 -0800
  Re: Curious to see alternate approach on a search/replace via regex Nick Mellor <thebalancepro@gmail.com> - 2013-02-07 04:53 -0800

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