去掉特殊字符

if(tempKey!=''){
                var regSpecialChar = new RegExp('`|~|!|@|#|//$|%|//^|/&|//*|//(|//)|-|_|=|//+|//[|//{|//]|//}|;|:|/'|"|////|//||,|<|//.|>|/|//?|。|，|《|》|、|？|；|‘|’|：|“|”|【|】|『|』|—|）|（|×|…|￥|！|～|·','gi');
                tempKey = tempKey.replace(regSpecialChar,'');
                tempKey = tempKey.replace(//s/gi,'').replace(/　/gi,'');
                if(tempKey==''){
                        alert('关键词输入不能全部为特殊字符，请重新输入！');
                        return false;
                }
        }