Hi guys thanks for your responses. I have indeed tried out http://regexlib.com/Search.aspx?k=ip%20address but maybe there are different types of Regex and Zennoposter uses one that isn't there.
ZP comes with quick regexpressions, like:
for proxies, and it works, finally a regex that works!!!: Can I ask you guys what regexp type is this, and given this what would you add to the end to add the port? thanks, will read the post entry, indeed mebbe the entire blog..