On 27/02/18 05:13, Cameron Simpson wrote: > hard to debug when you do. That's not to say you shouldn't use them, but many > people use them for far too much.
> Finally, you could also consider not using a regexp for this particular task. > > Python's "int" class can be called with a string, and will raise an exception And, as another alternative, you can use all() with a generator expression: >>> all(c.isdigit() for c in '1234') True >>> all(c.isdigit() for c in '12c4') False >>> Or generally: def all_digits(s): return all(c.isdigit() for c in s) -- Alan G Author of the Learn to Program web site http://www.alan-g.me.uk/ http://www.amazon.com/author/alan_gauld Follow my photo-blog on Flickr at: http://www.flickr.com/photos/alangauldphotos _______________________________________________ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: https://mail.python.org/mailman/listinfo/tutor