1# Biff - new mail notification 2# Pattern attributes: good veryfast fast undermatch overmatch 3# Protocol groups: mail 4# Wiki: http://www.protocolinfo.org/wiki/Biff 5# 6# Usually runs on port 512 7# 8# This pattern is completely untested. 9 10biff 11# This is a rare case where we will specify a $ (end of line), since 12# this is the entirety of the communication. 13# something that looks like a username, an @, a number. 14# won't catch usernames that have strange characters in them. 15^[a-z][a-z0-9]+@[1-9][0-9]+$ 16