API strupper
From WoWWiki
"strupper" is a shortcut for the standard Lua library function "string.upper". They can both be used interchangeably.
string.upper(s)
Make all the lower case characters upper case.
> = string.upper("Hello, Lua user!")
HELLO, LUA USER!
This is a Lua function and documented as part of the World of Warcraft API
