then just use the correct /who notation...
if you want to look at a zone, look for as in Z for Zone
if you want to look at a guild, look for as in G for Guild
if you want to look at a specific player, look for as in N for Name
if you want to look at members of a class, look for as in C for Class
if you want to see race, look for as in R for Race
you can also combine them to look for
Code:
/who z-"Ashenvale" g-"Troll" c-"Priest"
to find that one priest you know is in ashenvale and in a guild which has something like troll in its name