Here's a smallish guide on unravelling the seeming mysteries of StringRegExp(). StringRegExp( "test", "pattern" [, flag ] ) "test" = The string to search through for matches. "pattern" = A string consisting of certain key characters that let the function know PRECISELY what you want to match. No ifs, ands, or buts.. it's a match or it isn't. flag[optional] = Tells the function if you just want to know if the "pattern" is found, or if you want it to return the first match, or if you want it to