How to decipher :re.split(r"(\(\([^)]+\)\))" in the example
Chris Angelico
rosuav at gmail.com
Fri Jul 11 00:31:25 EDT 2014
On Fri, Jul 11, 2014 at 1:33 PM, Roy Smith <roy at 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
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