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();