Iterate over group names in a regex match?

[djc]

Brian D wrote:
> Here's a simple named group matching pattern:
> 
>>>> s = "1,2,3"
>>>> p = re.compile(r"(?P<one>\d),(?P<two>\d),(?P<three>\d)")
>>>> m = re.match(p, s)
>>>> m
> <_sre.SRE_Match object at 0x011BE610>
>>>> print m.groups()
> ('1', '2', '3')
> 
> Is it possible to call the group names, so that I can iterate over
> them?
> 
> The result I'm looking for would be:
> 
> ('one', 'two', 'three')


 print(m.groupdict())
{'one': '1', 'three': '3', 'two': '2'}

>>> print(m.groupdict().keys())
['one', 'three', 'two']


-- 
David Clark, MSc, PhD.                          Dept of Information Studies
Systems & Web Development Manager               University  College  London
UCL Centre for Publishing                       Gower Str  London  WCIE 6BT