[exim] using regex to pass bodies of emails

Hi
I'm looking for, a good example of regex acls that i can put a list of
regex acls to block common phrases in emails.
Thanks

--
Gregory Machin
CT-Net
www.ct-net.org
greg@???
phone : +27 12 379 3497
fax : +27 12 379 4113
Cell : +27 72 524 8096

humans do not use the address
below its for trapping spam.
spamtrap imasucker@???