Strings in JavaScript are stripped of special characters and escape characters

Recently the basic functions of the game have been developed, and then login to register this piece, the user name needs to remove the string of special characters and escape characters, the code is as follows:

<pre name= "Code" class= "JavaScript" >/*** * removes special characters from the string */var excludespecial = function (s) {    //de-antisense character    s = S. Replace (/[\ ' \ "\\\/\b\f\n\r\t]/g, ');    Remove the special character    s = s.replace (/[\@\#\$\%\^\&\*\ (\) \{\}\:\ "\l\<\>\?\[\]]/);    return s; };function Main () {    var s = "He is\tcalled ' Johnny '";;    Console.log (s);    Console.log (Excludespecial (s));    Console.log (s);}; Main ();

Input results

As you can see from the output, the function does not change the original string value.

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Strings in JavaScript are stripped of special characters and escape characters