###  match +<attr>
   shows you user records which have the attributes listed (such as
   '.match +of' to show all users who are friends and ops)
###  match <wildcard-string>
   shows you user records where the nickname or any of the hostmasks
   match the wildcard string shown.

   note: if more than 20 user records match your requirements, only
   the first 20 will be shown.  however, it will still tell you how
   many users matched.