From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from plan9.research.att.com ([192.20.225.252]) by hawkwind.utcs.utoronto.ca with SMTP id <23989>; Wed, 18 May 1994 14:04:00 -0400
From:	rob@plan9.research.att.com
To:	sam-fans@hawkwind.utcs.toronto.edu
Date:	Wed, 18 May 1994 14:03:45 -0400
Message-Id: <94May18.140400edt.23989@hawkwind.utcs.utoronto.ca>

the trick here is knowing about +#0 and -#0, which go to the
end of the address.  (-0 and +0 go to the end of the line).

,x/[a-zA-Z0-9]+/ -#0,+#1 | tr a-z A-Z