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<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script src="http://code.jquery.com/jquery-1.11.0.min.js"></script>
<script>
$(function(){
var str='<html>'
+'<body>'
+'<div class="contengt">'
+'<div class="sf_shaixuan">'
+'</div>'
+'<div class="left">这里面还有N个DIV嵌套,需要正则匹配出这里的html,其他的标记全不要。<p>测试</p></div>'
+'<div class="right"></div>'
+'</div>'
+'</body>'
+'</html>';
var htmlDoc = $.parseHTML( str );
alert($(htmlDoc).find('.left').html());
})
</script>
</script>
</head>
<body>
</body>
</html>