求教，php写正则匹配html代码的数据
我想要获得 【学生图书】 的名字，图书的href URL地址，图书的图片地址，销售量，售价，市场价，怎么写正则匹配呢，我写的正则老是出问题？匹配不到数据
html代码
<div>
<br><div><a>学生图书一xxxx</a></div>
<br><table>
<br><tr>
<br><td>
<br><a><br><img src="/static/imghw/default1.png" data-src="http://q.i01.wimg.taobao.com/bao/uploaded/i2/19264023005683587/T1Fs0MXqleXXXXXXXX_!!0-item_pic.jpg_100x100.jpg" class="lazy" alt="求教，php写正则婚配html代码的数据" ><br></a>
</td>
<br><td>
<br><p><br>售出：336笔<br><br><span>￥139.00</span><br><br><del>￥239.00</del><br><br> </p>
<br>
</td>
<br>
</tr>
<br>
</table>
<br><!-- 139.00 --><br>
</div><br><br><hr><br> <br><!--catid=50010850, catPath= --><br> <div>
<br><div>
<br><div><a>学生图书二</a></div>
<br><table>
<br><tr>
<br><td>
<br><a><br><img src="/static/imghw/default1.png" data-src="http://q.i04.wimg.taobao.com/bao/uploaded/i2/19264021080891188/T1abNLXu8fXXXXXXXX_!!0-item_pic.jpg_100x100.jpg" class="lazy" alt="求教，php写正则婚配html代码的数据" ><br></a>
</td>
<br><td>
<br><p><br>售出：266笔<br><br><span>￥189.03</span><br><br><del>￥339.00</del><br><br> </p>
<br>
</td>
<br>
</tr>
<br>
</table>
<br><!-- 189.03 --><br>
</div>
<br>
</div><br><hr><br> <br><!--catid=50010850, catPath= --><br> <div>
<br><div>
<br><div><a>学生图书三</a></div>
<br><table>
<br><tr>
<br><td>
<br><a><br><img src="/static/imghw/default1.png" data-src="http://q.i03.wimg.taobao.com/bao/uploaded/i1/19264021076909972/T1zZBNXr8bXXXXXXXX_!!0-item_pic.jpg_100x100.jpg" class="lazy" alt="求教，php写正则婚配html代码的数据" ><br></a>
</td>
<br><td>
<br><p><br>售出：120笔<br><br><span>￥239.04</span><br><br><del>￥398.00</del><br><br> </p>
<div class="clear">
</div>
</td>
</tr>
</table>
</div>
</div>
