Problems with regexps

[Dennis Reinhardt]

>     sample = 'FOO= BAR'
>     if re.search(r'[^=]\s*BAR', sample):
>         print 'Match 2.'

The [^=] will match on the space preceding BAR.  The \s* matches because
there are zero spaces remaining.  Result: match.

Prediction: you can get the first expression to fail by putting in two
spaces, not one.

Caveat: untested.
-- 

Dennis Reinhardt

DennisR at dair.com   http://www.spamai.com?ng_py