好的开始我知道我不应该使用正则表达式来解析 HTML,因为它不是很可靠,不是 100% 安全等。但是,这只是正则表达式的学习练习。
所以我的例子使用了 bbc 网站http://www.bbc.co.uk/sport/football/premier-league/table。
该项目正在解析第一个表的 tbody。我正在尝试进行搜索,以便只返回与搜索值匹配的元素。例如,给定搜索“manc”,我想要曼彻斯特城和曼彻斯特联队的 tr 标签(从 url 匹配)。
到目前为止,我所拥有的是<tr\b[^>]*>(.*?)manc(.*?)</tr>
从第一个 tr 到 man city 之后的结束 tr 匹配,然后返回 man utd 的预期结果。谁能指出我在这个正则表达式上出了什么问题。
编辑:来源(修剪)
<tbody id="trc-20-118996114-3">
<tr id="team-138824012" class="team first">
<td class="statistics"></td>
<td class='position'>
<span class='moving-up'>Moving up</span>
<span class='position-number'>1</span>
</td>
<td class="team-name">
<a href='http://www.bbc.co.uk/sport/football/teams/arsenal'>Arsenal</a>
</td>
<td class="played">0</td>
<td class="home-won">
<span>0</span>
</td>
<td class="home-drawn">0</td>
<td class="home-lost">0</td>
<td class="home-for">0</td>
<td class="home-against">0</td>
<td class="away-won">
<span>0</span>
</td>
<td class="away-drawn">0</td>
<td class="away-lost">0</td>
<td class="away-for">0</td>
<td class="away-against">0</td>
<td class="goal-difference">0</td>
<td class="points">0</td>
<td class="last-10-games">
<ol>
<li class="win" title="Win">
<span>Win</span>
</li>
<li class="draw" title="Draw">
<span>Draw</span>
</li>
<li class="draw" title="Draw">
<span>Draw</span>
</li>
<li class="draw" title="Draw">
<span>Draw</span>
</li>
<li class="loss" title="Loss">
<span>Loss</span>
</li>
<li class="win" title="Win">
<span>Win</span>
</li>
<li class="win" title="Win">
<span>Win</span>
</li>
<li class="loss" title="Loss">
<span>Loss</span>
</li>
<li class="win" title="Win">
<span>Win</span>
</li>
<li class="win last" title="Win">
<span>Win</span>
</li>
</ol>
</td>
<td class="status">
<a class="report" href="http://www.bbc.co.uk/sport/0/football/17973141">Report</a>
</td>
</tr>
<tr id="team-137316633" class="team">
<td class="statistics"></td>
<td class='position'>
<span class='moving-up'>Moving up</span>
<span class='position-number'>2</span>
</td>
<td class="team-name">
<a href='http://www.bbc.co.uk/sport/football/teams/aston-villa'>Aston Villa</a>
</td>
<td class="played">0</td>
<td class="home-won">
<span>0</span>
</td>
<td class="home-drawn">0</td>
<td class="home-lost">0</td>
<td class="home-for">0</td>
<td class="home-against">0</td>
<td class="away-won">
<span>0</span>
</td>
<td class="away-drawn">0</td>
<td class="away-lost">0</td>
<td class="away-for">0</td>
<td class="away-against">0</td>
<td class="goal-difference">0</td>
<td class="points">0</td>
<td class="last-10-games">
<ol>
<li class="loss" title="Loss">
<span>Loss</span>
</li>
<li class="draw" title="Draw">
<span>Draw</span>
</li>
<li class="draw" title="Draw">
<span>Draw</span>
</li>
<li class="loss" title="Loss">
<span>Loss</span>
</li>
<li class="draw" title="Draw">
<span>Draw</span>
</li>
<li class="loss" title="Loss">
<span>Loss</span>
</li>
<li class="draw" title="Draw">
<span>Draw</span>
</li>
<li class="draw" title="Draw">
<span>Draw</span>
</li>
<li class="loss" title="Loss">
<span>Loss</span>
</li>
<li class="loss last" title="Loss">
<span>Loss</span>
</li>
</ol>
</td>
<td class="status">
<a class="report" href="http://www.bbc.co.uk/sport/0/football/17973120">Report</a>
</td>
</tr>
<tr id="team-137318151" class="team">
<td class="statistics"></td>
<td class='position'>
<span class='moving-down'>Moving down</span>
<span class='position-number'>7</span>
</td>
<td class="team-name">
<a href='http://www.bbc.co.uk/sport/football/teams/manchester-city'>Man City</a>
</td>
<td class="played">0</td>
<td class="home-won">
<span>0</span>
</td>
<td class="home-drawn">0</td>
<td class="home-lost">0</td>
<td class="home-for">0</td>
<td class="home-against">0</td>
<td class="away-won">
<span>0</span>
</td>
<td class="away-drawn">0</td>
<td class="away-lost">0</td>
<td class="away-for">0</td>
<td class="away-against">0</td>
<td class="goal-difference">0</td>
<td class="points">0</td>
<td class="last-10-games">
<ol>
<li class="win" title="Win">
<span>Win</span>
</li>
<li class="win" title="Win">
<span>Win</span>
</li>
<li class="win" title="Win">
<span>Win</span>
</li>
<li class="win" title="Win">
<span>Win</span>
</li>
<li class="win" title="Win">
<span>Win</span>
</li>
<li class="win" title="Win">
<span>Win</span>
</li>
<li class="loss" title="Loss">
<span>Loss</span>
</li>
<li class="draw" title="Draw">
<span>Draw</span>
</li>
<li class="draw" title="Draw">
<span>Draw</span>
</li>
<li class="win last" title="Win">
<span>Win</span>
</li>
</ol>
</td>
<td class="status">
<a class="report" href="http://www.bbc.co.uk/sport/0/football/17973148">Report</a>
</td>
</tr>
<tr id="team-137318152" class="team">
<td class="statistics"></td>
<td class='position'>
<span class='moving-down'>Moving down</span>
<span class='position-number'>8</span>
</td>
<td class="team-name">
<a href='http://www.bbc.co.uk/sport/football/teams/manchester-united'>Man Utd</a>
</td>
<td class="played">0</td>
<td class="home-won">
<span>0</span>
</td>
<td class="home-drawn">0</td>
<td class="home-lost">0</td>
<td class="home-for">0</td>
<td class="home-against">0</td>
<td class="away-won">
<span>0</span>
</td>
<td class="away-drawn">0</td>
<td class="away-lost">0</td>
<td class="away-for">0</td>
<td class="away-against">0</td>
<td class="goal-difference">0</td>
<td class="points">0</td>
<td class="last-10-games">
<ol>
<li class="win" title="Win">
<span>Win</span>
</li>
<li class="win" title="Win">
<span>Win</span>
</li>
<li class="loss" title="Loss">
<span>Loss</span>
</li>
<li class="draw" title="Draw">
<span>Draw</span>
</li>
<li class="win" title="Win">
<span>Win</span>
</li>
<li class="loss" title="Loss">
<span>Loss</span>
</li>
<li class="win" title="Win">
<span>Win</span>
</li>
<li class="win" title="Win">
<span>Win</span>
</li>
<li class="win" title="Win">
<span>Win</span>
</li>
<li class="win last" title="Win">
<span>Win</span>
</li>
</ol>
</td>
<td class="status">
<a class="report" href="http://www.bbc.co.uk/sport/0/football/17973162">Report</a>
</td>
</tr>
</tbody>