核心提示：正则表达式之过滤html标签!DOCTYPE html PUBLIC -//W3C//DTD XHTML 1.0 Transitional//EN https://www.w3.org/TR/xhtm...
正则表达式之过滤html标签
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="https://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script>
window.onload=function(){
var oTxt1=document.getElementById('txt1');
var oBtn=document.getElementById('btn1');
var oTxt2=document.getElementById('txt2');
oBtn.onclick=function(){
//正则表达式
var re=/<[^<>]+>/g;
//替换
oTxt2.value=oTxt1.value.replace(re,'');
}
}
</script>
</head>
<body>
<textarea id="txt1" rows="10" cols="40"></textarea><br />
<input type="button" id="btn1" value="转换" /><br />
<textarea id="txt2" rows="10" cols="40"></textarea>
</body>
</html>
