Why re.match()?

Lie Ryan lie.1296 at gmail.com
Fri Jul 3 18:34:49 CEST 2009


Steven D'Aprano wrote:
> On Thu, 02 Jul 2009 11:19:40 +0000, kj wrote:
> 
>> I'm sure that it is possible to find cases in which the *current*
>> implementation of re.search() would be inefficient, but that's because
>> this implementation is perverse, which, I guess, is ultimately the point
>> of my original post.  Why privilege the special case of a
>> start-of-string anchor?  
> 
> Because wanting to see if a string matches from the beginning is a very 
> important and common special case.
> 

I find the most oddest thing about re.match is that it have an implicit
beginning anchor, but not implicit end anchor. I thought it was much
more common to ensure that a string matches a certain pattern, than just
matching the beginning. But everyone's mileages vary.



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