下面是我从豆瓣api请求回来的一张页面数据。我想获取里面所有的： /movie/subject/id号/。求大神讲解。就是这种数据：/movie/subject/3326764/ 。 是不是用 Regex.Split()方法。怎么写呢
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE html PUBLIC "-//WAPFORUM//DTD XHTML Mobile 1.0//EN" "http://www.wapforum.org/DTD/xhtml-mobile10.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
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<meta name="format-detection" content="telephone=no" />
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<title>
电影标签:日本 - 豆瓣电影
</title>
<link rel="stylesheet" type="text/css" href="http://img3.douban.com/f/mearas/f290c79e966b6dd99e835b1f70b5e400dbd12ef4/mobiledouban/public/static/css/assets/core.css" />
<meta name="apple-itunes-app" content="app-id=907002334, app-argument=">
<link rel="apple-touch-icon" href="http://img3.douban.com/f/mearas/ad8b103f91563979edc2c135b5968419713b76e4/mobiledouban/public/static/images/movie/movie_icon.png" />
<link rel="stylesheet" type="text/css" href="http://img3.douban.com/f/mearas/7db13b04c6b11fda242da25f787d7b9bb600c5fb/mobiledouban/public/static/css/movie/wap.css" />
<style type="text/css">
</style>
</head>
<body>
<div class="wrapper">
<div id="hd">
<a href="/movie/recent/">
<img src="http://img3.douban.com/f/mearas/4e8963624687a0c6a818da35addfb07d2afcb106/mobiledouban/public/static/images/movie/movie_mobile_v2.gif" alt="豆瓣电影" width="70" height="17" />
</a>
</div>
<div id="bd">
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<a href="/movie/recent/">热映中</a>
<b>|</b>
<a href="/movie/tag/">标签</a>
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<a href="/movie/top250/">Top250</a>
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<a href="/movie/people/">我看</a>
</div>
<form action="/movie/search/tag_search" method="get">
<div class="srh">
<input type="text" class="srh-text" name="q" value="日本">
<input name="tag" type="submit" value="搜标签" />
</div>
</form>
<div class="movie-items list">
<div class="item">
<p>
<span ><a href="/movie/subject/3240828/">15名动画人</a></span>
<span class="rating">8.7</span>
</p>
<p>
<div class="itm">
2007 /
动画 短片 /
1分钟 /
22805人看过
</div>
</p>
</div>
<div class="item">
<p>
<span ><a href="/movie/subject/1299607/">东京日和</a></span>
<span class="rating">8.4</span>
</p>
<p>
<div class="itm">
1997 /
剧情 /
121分钟 /
14858人看过
</div>
</p>
</div>
<div class="item">
<p>
<span ><a href="/movie/subject/24858414/">白雪公主杀人事件</a></span>
<span class="rating">7.5</span>
</p>
<p>
<div class="itm">
2014 /
剧情 悬疑 /
126分钟 /
34900人看过
</div>
</p>
</div>
<div class="item">
<p>
<span ><a href="/movie/subject/4848701/">日常</a></span>
<span class="rating">9.1</span>
</p>
<p>
<div class="itm">
2011 /
动画 /
25分钟 /
12742人看过
</div>
</p>
</div>
<div class="item">
<p>
<span ><a href="/movie/subject/1457573/">新世纪福音战士</a></span>
<span class="rating">9.3</span>
</p>
<p>
<div class="itm">
1995 /
动画 动作 剧情 科幻 惊悚 /
26分钟 /
55350人看过
</div>
</p>
</div>
<div class="item">
<p>
<span ><a href="/movie/subject/10001418/">冰菓</a></span>
<span class="rating">8.6</span>
</p>
<p>
<div class="itm">
2012 /
动画 悬疑 /
26分钟 /
15945人看过
</div>
</p>
</div>
<div class="item">
<p>
<span ><a href="/movie/subject/25777784/">再见歌舞伎町</a></span>
<span class="rating">7.4</span>
</p>
<p>
<div class="itm">
2014 /
剧情 爱情 /
134分钟 /
2716人看过
</div>
</p>
</div>
<div class="item">
<p>
<span ><a href="/movie/subject/20491392/">银之匙</a></span>
<span class="rating">9.1</span>
</p>
<p>
<div class="itm">
2013 /
剧情 喜剧 动画 /
23分钟 /
9720人看过
</div>
</p>
</div>
<div class="item">
<p>
<span ><a href="/movie/subject/1394510/">十二国记</a></span>
<span class="rating">9.0</span>
</p>
<p>
<div class="itm">
2002 /
动画 冒险 剧情 奇幻 /
25分钟 /
25426人看过
</div>
</p>
</div>
<div class="item">
<p>
<span ><a href="/movie/subject/3326764/">永生之酒</a></span>
<span class="rating">9.0</span>
</p>
<p>
<div class="itm">
2007 /
动画 动作 冒险 喜剧 犯罪 奇幻 恐怖 惊悚 /
13579人看过
</div>
</p>
</div>
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<a href="/movie/tag/movies?tag=%E6%97%A5%E6%9C%AC&page=1">第一页</a><b>|</b>
<span> 16/200 </span>
</div>
</div>
</div>
<div class="list">
<div class="top-item"><a href="/movie/tag/">浏览热门标签</a></div>
</div>
<form action="/movie/search/tag_search" method="get">
<div class="srh">
<input type="text" class="srh-text" name="q" value="日本">
<input name="tag" type="submit" value="搜标签" />
</div>
</form>
</div>
<div id="ft">
<div>
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<div class="date">
[09-12 22:57]
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© 2015 豆瓣
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<a class="promotion-ad-button" href="">立即下载</a>
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.promotion-add-wrapper { display: block; }
.promotion-ad-app { width:100%; background: #363636; padding: 8px 0 0 0; border-spacing: 0px; border-collapse: separate; }
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#promotion-ad-moment .promotion-ad-close { color: #eda05c; }
#promotion-ad-moment .promotion-ad-button { background: #eda05c; color: #fff; }
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#promotion-ad-fm .promotion-ad-button { background: #EBD9A8; color: #fff; }
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</html>
------解决思路----------------------
Regex.Matches(html,@"/movie/subject/(\d+)")
match.Group[1].Value就是id值