Flyzone wrote: > On 30 Apr, 17:11, Steven Bethard <[EMAIL PROTECTED]> wrote: > >> You don't need a regexp:; > > I need a regexp.....i'm parsing a file with a rule-file that contains > also regexp and strings too....
Well then it seems like you might want to rethink this rule-file approach since your problem is clearly not amenable to regular expressions. That said, here's a regexp that might work:: ((?!two:).)*one((?!two:).)* That makes a negative lookahead assertion at each character in the string. STeVe -- http://mail.python.org/mailman/listinfo/python-list