Utf8.len

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Returns the length of the string passed.

Syntax

int utf8.len ( string input [, int i = 1, int j = utf8.len( input ) ] )

Required Arguments

  • input: A string character sequence

Optional Arguments

NOTE: When using optional arguments, you might need to supply all arguments before the one you wish to use. For more information on optional arguments, see optional arguments.

  • i: An integer representing the beginning position for measuring the length of the section (may be negative).
  • j: An integer representing the ending position for measuring the length of the section (may be negative).

Returns

Returns the length of the string as an integer.

Example

Click to collapse [-]
Client

This example calculates the length of the input of the command /length and shows it in the chatbox.

addCommandHandler("length", 
    function (command, ...)
        local input = table.concat({...}, " ")

        if input then
            local length = utf8.len( input )
            outputChatBox( "* Length of your input: ".. length )
        end
    end
)

See Also