JavaScript校验输入的字符串是否包含特殊字符

校验在文本框输入的字符串中是否包含特殊字符串，js代码如下

 function strInclude(substring){
     if(substring){
         var reg = new RegExp("[~#^$@%&!?%*]", 'g');
         if (substring.match(reg)) {
             return true;
         }
         for ( var i = ; i < substring.length; i++) {
             var hs = substring.charCodeAt(i);
             if (0xd800 <= hs && hs <= 0xdbff) {
                 if (substring.length > ) {
                     var ls = substring.charCodeAt(i + );
                     var uc = ((hs - 0xd800) * 0x400) + (ls - 0xdc00) + 0x10000;
                     if (0x1d000 <= uc && uc <= 0x1f77f) {
                         return true;
                     }
                 }
             } else if (substring.length > ) {
                 var ls = substring.charCodeAt(i + );
                 if (ls == 0x20e3) {
                     return true;
                 }
             } else {
                 if (0x2100 <= hs && hs <= 0x27ff) {
                     return true;
                 } else if (0x2B05 <= hs && hs <= 0x2b07) {
                     return true;
                 } else if (0x2934 <= hs && hs <= 0x2935) {
                     return true;
                 } else if (0x3297 <= hs && hs <= 0x3299) {
                     return true;
                 } else if (hs == 0xa9 || hs == 0xae || hs == 0x303d || hs == 0x3030
                     || hs == 0x2b55 || hs == 0x2b1c || hs == 0x2b1b
                     || hs == 0x2b50) {
                     return true;
                 }
             }
         }
     }
 }