正则表达式的运用

<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Document</title>
	<script type="text/javascript">
		//敏感词过滤

		//毒品 赌博  台独  法轮功
	</script>
</head>
<body>
	<textarea id="tt1"></textarea>
	<button id="btn">过滤</button>
	<textarea id="txt2"></textarea>
	<script type="text/javascript">
		var t1=document.getElementById('tt1');
		var t2=document.getElementById('txt2');
		document.getElementById('btn').onclick=function () {
			var s=t1.value.replace(/毒品|赌博|台独|法轮功/g,'*');
			t2.value=s;
		};
	</script>
</body>
</html>

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转载自blog.csdn.net/weixin_44606660/article/details/87626699