Bug in regular expressions ?

[Bernhard Herzog]

Christophe Delord <christophe.delord at free.fr> writes:

> Hi,
> 
> I thought that regular expressions were greedy, so that the longuest match is returned by match().
> Consider these expressions : 'a|aa', 'aa|a' and 'aa?'
[...]
> So A|B and B|A are not always equivalent. When A and B match, B is
> ignored even if the matched text is longer. Is this a bug in the re
> module?

No. It works as documented.

> Is there a way to tell re to be "totaly greedy"?

List the longer alternatives first. Other than that, I don't know.

   Bernhard

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