RE question

Michael Hudson mwh21 at cam.ac.uk
Tue Apr 18 15:52:27 CEST 2000


Benyang Tang <btang at pacific.jpl.nasa.gov> writes:

> >>> m = re.match("([abc])+", "abc"); m.group(1)
> 'c'
> 
> Why is it 'c', instead of 'a'?

On

    http://www.python.org/doc/current/lib/match-objects.html

we find:

   If a group is contained in a part of the pattern that matched
   multiple times, the last match is returned.

So that's why.

Cheers,
M.

-- 
  nonono,  while we're making wild  conjectures about the behavior 
  of completely  irrelevant tasks,  we must not  also make serious 
  mistakes, or the data might suddenly become statistically valid.
                                      -- Erik Naggum, comp.lang.lisp



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