finding the list of the matched strings

[Christian Joergensen]

"jm.suresh at no.spam.gmail.com" <jm.suresh at gmail.com> writes:

> Hi, I have a list of strings. And I want to find the subset which
> matches a particular regular expression.
>
> import re
> ll = ('a', 'b', 's1', 's2', '3s')
> p = re.compile('^s.*')
> newList = filter(lambda s: p.match(s), ll)
>
> I suppose there should be simple function to do this in re module. Is
> there any?
>
> I searched google, but could not find one, may be for keywords were not
> perfect.

I dont believe there exists such a function. I would have written
it using a list comprehension.

>>> import re
>>> ll = ('a', 'b', 's1', 's2', '3s')
>>> p = re.compile('^s.*')
>>> newList = [s for s in ll if p.match(s)]
>>> newList
['s1', 's2']

-- 
Christian Joergensen | Linux, programming or web consultancy
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