[Mailman-Users] privacy options / feature addition?

[gary]

In the admin section of a list, you are given the option of specifying a
regular expression for a match against a header value. [Hold posts with
header value matching a specified regexp.]

Is it possible to specify an expression to match against the body of a
message?  Something like majordomo's taboo expressions.  If not, it would
be a nice feature to add.

Regards,

Gary