On 06/13/2017 03:34 PM, Matt wrote: > What is easiest way to determine if a string ONLY contains a-z upper > or lowercase. I also want to allow the "-" and "_" symbols. No > spaces or anything else. > I'm not sure it's the best way, but the following seems okay:
>>> s = 'hello_world'
>>> s.replace('-','').replace('_','').isalpha()
True
>>> s = 'hello world'
>>> s.replace('-','').replace('_','').isalpha()
False
>>>
Cheers,
Thomas
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