求教 获取如下href的正则要怎么写
test.html
<!DOCTYPE html>
<html>
<head>test</head>
<body>
<a id="a5" href="111">wawa</a>
<a id="a6" href="222">hehe</a>
<a id="a7" href="333">haha</a>
<a id="a8" href="444">uuuu</a>
......
<b>
<a id="a1" href="111">wawa</a>
<a id="a2" href="222">hehe</a>
<a id="a3" href="333">haha</a>
<a id="a4" href="444">uuuu</a>
</b>
........
</body>
</html>
