API strbyte

From WoWWiki

Returns the numerical code of a character in a string.

indexByte = string.byte(s [, index])

Arguments

s [, index]

s 

String - The string to get the numerical code from

index 

Number - Optional argument specifying the index of the character to get the byte value of

Returns

indexByte 

Number - The byte value of the character at the specified position or nil if the index is invalid

Example

> = 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

Details

The first valid index is 1.

The last valid index is the length of the string.

 

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This is a Lua function and documented as part of the World of Warcraft API