Hi! I have a problem with search(); I try to match a contact header with IP address: if !(search("Contact:.*@[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+:")) { works fine, whereas if !(search("Contact:.*@[0-9]+\.[0-9]+\.[0-9]+\.\d+:")) { does not work. ^^ Looks like search() does not like \d Are there any known limitations for the regular expressions? regards klaus