Lie Ryan <[EMAIL PROTECTED]> wrote: > That's the job of regular expression: 'import re' > > numbered_atom = re.compile('[A-Z][a-z]?[0-9]+') > if numbered_atom.match('C10'): > # this is a numbered atom > if numbered_atom.match('C'): > # this WON'T match > > read more about regular expression on the web (hint: python share the > same re syntax with many other languages, php, javascript, grep, etc) >
Or simply: if atom[-1].isdigit(): # this is a numbered atom else: # this isn't -- http://mail.python.org/mailman/listinfo/python-list