请问提取网页内容(如下)的正则表达式
网页源码:
<tr>
<td valign= "top "> <table width= "743 " border= "0 " align= "center " cellpadding= "0 " cellspacing= "0 ">
<tr>
<td width= "743 " height= "38 " background= "pic/z10.jpg "> <table width= "96% " border= "0 " align= "center " cellpadding= "0 " cellspacing= "0 " class= "unnamed1 ">
<tr>
<td height= "30 " align= "left "> <font color= "555555 " size= "2 "> <strong> 游戏区域 </strong> </font> </td>
<td width= "134 " align= "right "> <font color= "555555 " size= "2 "> <strong> 目前价格 </strong> </font> </td>
<td width= "132 " align= "right "> <font color= "555555 " size= "2 "> <strong> 收购量 </strong> </font> </td>
<td width= "80 " align= "center "> <font color= "555555 " size= "2 "> <strong> 状态 </strong> </font> </td>
<td width= "58 " align= "center "> <font color= "555555 " size= "2 "> <strong> 操作 </strong> </font> </td>
</tr>
</table>
</td>
</tr>
<tr>
<td height= "500 " valign= "top " background= "pic/z12.jpg " align= "center ">