WoW:API strbyte: Difference between revisions
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string.byte(s [, | {{luaapi}} | ||
Returns the numerical code of a character in a string. | |||
indexByte = string.byte(s [, index[, endIndex]]) | |||
indexByte = strbyte(s [, index[, endIndex]]) | |||
== Arguments == | |||
:s [, index[, endIndex]] | |||
:; 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 | |||
:; endIndex : Number - Optional argument specifying the index of the last character to return the 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 | > = string.byte("ABCDE") -- no index, so the first character | ||
65 | 65 | ||
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> = string.byte("ABCDE",0) -- we're not using C | > = string.byte("ABCDE",0) -- we're not using C | ||
> = string.byte("ABCDE",100) -- index out of range, no value returned | > = string.byte("ABCDE",100) -- index out of range, no value returned | ||
> = string.byte("ABCDE", 1, 3) | |||
65 66 67 | |||
== Details == | |||
: The first valid index is 1. | |||
: The last valid index is the length of the string. | |||
Latest revision as of 04:47, 15 August 2023
← WoW Lua
Returns the numerical code of a character in a string.
indexByte = string.byte(s [, index[, endIndex]]) indexByte = strbyte(s [, index[, endIndex]])
Arguments[edit]
- s [, index[, endIndex]]
- 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
- endIndex
- Number - Optional argument specifying the index of the last character to return the value of
Returns[edit]
- indexByte
- Number - The byte value of the character at the specified position or nil if the index is invalid
Example[edit]
> = 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
> = string.byte("ABCDE", 1, 3)
65 66 67
Details[edit]
- The first valid index is 1.
- The last valid index is the length of the string.