syntax-check with regular expressions?

Pierre-Frédéric Caillaud peufeu at free.fr
Tue Jul 27 14:25:06 CEST 2004



	Use time.strptime and it'll check everything for you.

> import re
>
> _re = re.compile(r'(\d{2})\.(\d{2})\.(\d{4})$')
> def testdate(s):
>      try:
>          day, month, year = [int(x) for x in _re.match(s).groups()]
>      except AttributeError:
>          return False
>      return 1 <= day <= 31 and 1 <= month <= 12
>
> Implementing things such as different number of days for each month and  
> leap years is left as an exercise to the reader. :-)
>




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