Utf8.remove

This function removes a substring in a UTF-8 string by using a position range.

Syntax

string utf8.remove ( string input, int start = 1 [, int stop = -1 ] )

Required Arguments

• input: A string character sequence
• start: A number representing the beginning position.

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.

• stop: A number representing the ending position.

Returns

Returns the string with the removed substring from the range.

Example

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Server

This example shows how to remove substrings from strings.

-- Keep the first and last character
local input = "яблоко"
local output = utf8.remove( input, 2, -2 ) 
print( output ) -- яо

-- Remove the last character
local input = "Банан"
local output = utf8.remove( input, -1, -1 )
print( output )

See Also

• utf8.byte
• utf8.char
• utf8.charpos
• utf8.escape
• utf8.find
• utf8.fold
• utf8.gmatch
• utf8.gsub
• utf8.insert
• utf8.len
• utf8.lower
• utf8.match
• utf8.ncasecmp
• utf8.next
• utf8.remove
• utf8.reverse
• utf8.sub
• utf8.title
• utf8.upper
• utf8.width
• utf8.widthindex