parsing combination strings
PKKR
superprad at gmail.com
Wed Mar 21 15:18:41 EDT 2007
On Mar 21, 2:51 pm, "Steven D. Arnold" <stev... at neosynapse.net> wrote:
> On Mar 21, 2007, at 2:42 PM, PKKR wrote:
>
> > I need a fast and efficient way to parse a combination string(digits +
> > chars)
>
> > ex: s = "12ABA" or "1ACD" or "123CSD" etc
>
> > I want to parse the the above string such that i can grab only the
> > first digits and ignore the rest of the chacters,
>
> A regex leaps to mind.....have you investigated the "re" module?
>
> >>> import re
> >>> re.match(r'(\d+)', '123abc').group(1)
> '123'
>
> steven
yep thats what i tried as per tommy's advice and came up with:
re.split('[^0-9]', str)[0]
or is there a better way?
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