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
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