[Tutor] Python Challenge - Riddle 2
Roel Schroeven
rschroev_nospam_ml at fastmail.fm
Tue May 10 21:03:36 CEST 2005
Alan Gauld wrote:
>>This matches '[A-Z]{3}[a-z]{1}[A-Z]{3}' 477 occurences...
>
>
> Doesn't the {3} mean a minimum of 3?
It's exactlu equivalent to [A-Z][A-Z][A-Z]
> I may be wrong, its not a feature I use much but I thought there was a
> gotcha with the {} notation that meant you had to provide a
> terminating
> character too?
If you want to prevent e.g. 'ABCDE' from matching as opposed to only
'BCD', yes, you need some kind of terminator.
--
If I have been able to see further, it was only because I stood
on the shoulders of giants. -- Isaac Newton
Roel Schroeven
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