How to decipher :re.split(r"(\(\([^)]+\)\))" in the example
Tim Chase
python.list at tim.thechases.com
Thu Jul 10 22:37:00 EDT 2014
On 2014-07-10 22:18, Roy Smith wrote:
> > Outside this are \( and \): these are literal opening and closing
> > bracket characters. So:
> >
> > \(\([^)]+\)\)
>
> although, even better would be to use to utterly awesome
>> re.VERBOSE
> flag, and write it as:
>
> \({2} [^)]+ \){2}
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
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