On Thu, Jan 14, 2010 at 8:14 AM, Iain King <[email protected]> wrote:
> On Jan 14, 3:52 pm, chandra <[email protected]> wrote:
>> Folks,
>>
>> I am new to Python and could not find a function along the lines of
>> string.ishex in Python. There is however, a string.hexdigits constant
>> in the string module. I thought I would enhance the existing modlue
>> but am unsure how I should go about it. Specifically, I have attempted
>> this much:
>> ---cut---
>> #! /usr/bin/python
>> # -*- coding: utf-8 -*-
>>
>> import string
>>
>> def ishex(string):
>> ishex = False
>> for i in string:
>> if i in string.hexdigits:
>> ishex = True
>> else:
>> ishex = False
>> break
>> return ishex
>> ---cut---
>>
>> Can someone help me get further along please?
>>
>> Thanks.
>
> better would be:
> def ishex(s):
> for c in s:
> if c not in string.hexdigits:
> return False
> return True
Even more succinctly:
def ishex(s):
return all(c in string.hexdigits for c in s)
Cheers,
Chris
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