[Python-ideas] startsin ?

Paul Moore p.f.moore at gmail.com
Fri Sep 30 18:21:32 CEST 2011


On 30 September 2011 17:02, Nick Coghlan <ncoghlan at gmail.com> wrote:
> On Fri, Sep 30, 2011 at 11:30 AM, Tarek Ziadé <ziade.tarek at gmail.com> wrote:
>> Hey,
>>
>> not sure how people do this, or if I missed something obvious in the
>> stdlib, but I often have this pattern:
>>
>> starts = ('a', 'b', 'c')
>> somestring = 'acapulco'
>>
>> for start in starts:
>>    if somestring.startswith(start):
>>        print "yeah"
>
> You missed something. startswith() and endswith() already accept
> tuples of strings to check and have done so since 2.5 [1]:
>
>>>> "example".startswith(('c', 'd', 'e'))
> True
>
> [1] http://docs.python.org/library/stdtypes.html#str.startswith

The time machine strikes again :-)
Paul.



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