WoW:API strbyte
string.byte(s [, i])
Return the numerical code the i-th character of the string passed.
> = string.byte("ABCDE") -- no index, so the first character
65
> = string.byte("ABCDE",1) -- indexes start at 1
65
> = string.byte("ABCDE",0) -- we're not using C
> = string.byte("ABCDE",100) -- index out of range, no value returned