[Python-Dev] sre improvements

[Skip Montanaro]

    Gustavo> I'd like, for example, to see the (?(1)blah) operator,
    Gustavo> available in perl, working.

Gustavo,

For the non-Perl-heads on the list, can you explain what the (?(1)blah)
operator does?

-- 
Skip Montanaro (skip@pobox.com)
(847)971-7098