Strip user full name of additional text

Hi, is there a way (like a regexp or some such) to remove additional text from user full names. I keep getting mails that contain user full names followed by text like: first_name last_name via the vacation program or also: first_name last_name via Hypernews at ... bbdb now always asks me if I

"posting-style" depending on bbdb info

Hi, Just started using BBDB (2.32) with Gnus 5.8.8 and emacs 20.7.1. My main goal for using bbdb is being able to automatically set certain header info based on bbdb data (so, each of my records contains a personal/business/other type field, and I want the From line to change according to the typ