匹配域名

<!DOCTYPE html>      
<html lang="en">      
<head>      
    <meta charset="UTF-8">      
    <title>匹配域名</title>    
    <style type="text/css">
    </style>     
</head>      
<body>
	<script type="text/javascript">
		var str="https://www.baidu.com/s?cl=3";
		var reg=/https:\/\/([A-Za-z\.]+)\/\S+/;
		var result=reg.exec(str);
		if(result) {
		  console.log(result[1]);
		}
	</script>
</body>      
</html>
匹配域名

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