Utf8.gsub
From Multi Theft Auto: Wiki
Returns a copy of the original input string with replaced matches from the pattern by the replacement value.
Warning: This function may modify your input string even if no changes were made. Try it with runcode: srun utf8.gsub(utf8.char(66376), "", "") == utf8.char(66376) |
Syntax
string utf8.gsub ( string input, string pattern, mixed replace [, int match_limit = utf8.len( input ) ] )
Required Arguments
- input: A string character sequence
- pattern: A string match pattern
- replace: A string literal OR an integer value OR a function (see examples below) OR a table ({ match = replacement })
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.
- match_limit: An integer to limit the number of substitutions made
Returns
Returns a pair of values, the modified string and the integer number of substitutions made.
Example
Click to collapse [-]
ServerThis example shows how to remove color codes from a string and how to uppercase each single character in a string.
local text= "#ff0000This text is red" local colorless = utf8.gsub( text, "#%x%x%x%x%x%x", "" ) print( colorless ) -- This text is red print( utf8.gsub( "Nice wiki!", ".", utf8.upper ) ) -- NICE WIKI!
Click to collapse [-]
ServerThis example uses a table to replace specific words in the input string by an other value.
local input = "We have nice weather in London"
local replacements = {
["weather"] = "food",
["London"] = "Germany"
}
local output = utf8.gsub( input, "%w+", replacements )
print( output ) -- We have nice food in Germany
Click to collapse [-]
ClientThis example shows a simple bad word filter, which censors the word 'ugly' in the input string.
local input = "You are ugly!"
local badwords = {
["ugly"] = true
}
local output = utf8.gsub( input, "%w+",
function (match)
local lowerCase = utf8.lower( match )
if badwords[ lowerCase ] then
return string.rep( '*', utf8.len( match ) )
end
return match
end
)
outputConsole( output ) -- You are ****!
