~OLCommand :~RS grepu
~OLUsage   :~RS grepu <pattern>

This command allows you to search for a user who's name has the <pattern>
in it.  The pattern can have the wildcards ?, for a single letter match,
or * for multiple letter matches.
For example: .grepu an?? will match Andy, Andi, Anne and so on.
           : .grepu an* will match Andy, Anne, Another, Anthony and so on.
You cannot have the wildcards place together, such as ?*, *? or **.