Re: How to decipher :re.split(r"(\(\([^)]+\)\))" in the example

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Date	Fri, 11 Jul 2014 14:31:25 +1000
Subject	Re: How to decipher :re.split(r"(\(\([^)]+\)\))" in the example
From	Chris Angelico <rosuav@gmail.com>
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On Fri, Jul 11, 2014 at 1:33 PM, Roy Smith <roy@panix.com> wrote:
>> Or heck, use a multi-line verbose expression and comment it for
>> clarity:
>>
>>   r = re.compile(r"""
>>     (            # begin a capture group
>>      \({2}       # two literal "(" characters
>>      [^)]+       # one or more non-close-paren characters
>>      \){2}       # two literal ")" characters
>>     )            # close the capture group
>>     """, re.VERBOSE)
>>
>> -tkc
>
> Ugh.  That reminds me of the classic commenting anti-pattern:
>
> l = []                  # create an empty list
> for i in range(10):     # iterate over the first 10 integers
>     l.append(i)         # append each one to the list

Small difference between the two. Python is designed to be a readable
language... regexps combine all the power and unreadability of machine
code with the portability of machine code.

ChrisA
exaggerating... but only a little

Thread

How to decipher :re.split(r"(\(\([^)]+\)\))" in the example fl <rxjwg98@gmail.com> - 2014-07-10 08:37 -0700
  Re: How to decipher :re.split(r"(\(\([^)]+\)\))" in the example Peter Otten <__peter__@web.de> - 2014-07-10 18:49 +0200
  Re: How to decipher :re.split(r"(\(\([^)]+\)\))" in the example MRAB <python@mrabarnett.plus.com> - 2014-07-10 18:01 +0100
  Re: How to decipher :re.split(r"(\(\([^)]+\)\))" in the example Joel Goldstick <joel.goldstick@gmail.com> - 2014-07-10 13:05 -0400
  Re: How to decipher :re.split(r"(\(\([^)]+\)\))" in the example Albert-Jan Roskam <fomcl@yahoo.com> - 2014-07-10 12:15 -0700
  Re: How to decipher :re.split(r"(\(\([^)]+\)\))" in the example Cameron Simpson <cs@zip.com.au> - 2014-07-11 11:29 +1000
    Re: How to decipher :re.split(r"(\(\([^)]+\)\))" in the example Roy Smith <roy@panix.com> - 2014-07-10 22:18 -0400
      Re: How to decipher :re.split(r"(\(\([^)]+\)\))" in the example Tim Chase <python.list@tim.thechases.com> - 2014-07-10 21:37 -0500
        Re: How to decipher :re.split(r"(\(\([^)]+\)\))" in the example Roy Smith <roy@panix.com> - 2014-07-10 23:33 -0400
          Re: How to decipher :re.split(r"(\(\([^)]+\)\))" in the example Chris Angelico <rosuav@gmail.com> - 2014-07-11 14:31 +1000
          Re: How to decipher :re.split(r"(\(\([^)]+\)\))" in the example alister <alister.nospam.ware@ntlworld.com> - 2014-07-11 08:00 +0000
          Re: How to decipher :re.split(r"(\(\([^)]+\)\))" in the example Steven D'Aprano <steve@pearwood.info> - 2014-07-11 09:04 +0000
            Re: How to decipher :re.split(r"(\(\([^)]+\)\))" in the example Albert-Jan Roskam <fomcl@yahoo.com> - 2014-07-11 08:18 -0700

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