[Exim] Regex on Subject

Hi Folks

a friend of mine has a Postfix setup and he is sharing with me a regex
of known virus bounce messages. How can I add a subject regex that
reads a file that contains the list of dodgy subjects, ie one per line

Sean

.... TCOB1 - telnet://tcob1.no-ip.com 1800-2400 UTC
--- blueMail/Linux 1.2
--- Synchronet 3.11c-Linux MListGate 1.7
* There Can Only Be 1 - Tully, Ireland - telnet://tcob1.no-ip.com