public string replacehtml(string str)
{
str = Regex.Replace(str, @"<(.[^>]*)>", "", RegexOptions.IgnoreCase);
return str;
}
{
str = Regex.Replace(str, @"<(.[^>]*)>", "", RegexOptions.IgnoreCase);
return str;
}
alert("数据部合法")
}//JS的
Regex.Match("asdfdasf<asdf>asdf<sadf&slt;>df;",@"<|>|\<|\>"){
return "数据部合法";
}//C#
<body>
<input type="text" id="txtReg" onkeyup="coding();"/>
<script type="text/javascript">
var reg1 = new RegExp("<","g");
var reg2 = new RegExp(">","g");
var reg3 = new RegExp("<","g");
var reg4 = new RegExp(">","g");
function coding(){
var txtReg = document.getElementById("txtReg").value;
var flag = txtReg.match(reg1) ||
txtReg.match(reg2) ||
txtReg.match(reg3) ||
txtReg.match(reg4);
if(flag){
alert("非法字符!");
}
}
</script>
</body>写的有点臃肿,但是应该可以解决你的问题