JavaScript中字符串去掉特殊字符和转义字符

<pre name="code" class="javascript">/***
 * 去掉字符串中的特殊字符
 */
var excludeSpecial = function(s) {
    // 去掉转义字符
    s = s.replace(/[\'\"\\\/\b\f\n\r\t]/g, '');
    // 去掉特殊字符
    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();