George Sakkis wrote: > It's always striked me as odd that you can express negation of a single > character in regexps, but not any more complex expression. Is there a > general way around this shortcoming ? Here's an example to illustrate a > use case: > > >>>>import re > > # split with '@' as delimiter > >>>>[g.group() for g in re.finditer('[EMAIL PROTECTED]', 'This @ is a @ test ')] > > ['This ', ' is a ', ' test '] > > Is it possible to use finditer to split the string if the delimiter was > more than one char long (say 'XYZ') ? [yes, I'm aware of re.split, but > that's not the point; this is just an example. Besides re.split returns > a list, not an iterator] > I think you are looking for "negative lookahead assertions". See the docs.
regards Steve -- Steve Holden +44 150 684 7255 +1 800 494 3119 Holden Web LLC/Ltd http://www.holdenweb.com Skype: holdenweb http://holdenweb.blogspot.com Recent Ramblings http://del.icio.us/steve.holden -- http://mail.python.org/mailman/listinfo/python-list