js版的防范SQL注入式攻击代码

[CODE START]　　
<script language="javascript">
<!--
var url = location.search;
var re=/^/?(.*)(select%20|insert%20|delete%20from%20|count/(|drop%20table|update%20truncate%20|asc/(|mid/(|char/(|xp_cmdshell|exec%20master|net%20localgroup%20administrators|/"|:|net%20user|/'|%20or%20)(.*)$/gi;
var e = re.test(url);
if(e) {
alert("地址中含有非法字符～");
location.href="error.asp";
}
//-->
<script>
[CODE END]