Regular Expression match

[AON LAZIO]

Hi,
   Say I have
   p     = re.compile('a|b')
   text = 'a'
   d     = p.findall(text)
   #d -> ['a']
   What is the way to find out which pattern p match (the former or latter)?
I mean without knowing the outcome of p.findall
   Thanks

-- 
Aonlazio
'Peace is always the way.' NW
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