send-hook regex

To: mutt-users@xxxxxxxx
Subject: send-hook regex
From: Brian Sutherland <rmaniac@xxxxxxxxx>
Date: Tue, 15 Aug 2006 03:56:22 -0400
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I am trying to use a send-hook regex with a back reference.. Is thiseven possible?

For example:
send-hook ~C(.*)@(.*) my_hdr from: r.%1.%2@xxxxxxxxxxxx

When I use this it sends a literal %1 and %2 instead of what wascaptured by (.*).


Thanks
-Brian