正则表述提取标签属性值-tutoriel php-php.cn

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正则表述提取标签属性值

Jun 13, 2016 am 10:57 AM

quot spider title

正则表达提取标签属性值
如何用正则表达是提title的值“The Amazing Spider-Man (2012)”呢？
我自己是用两次preg_split取的，但感觉很低效，有没有朋友给点思路呢？

HTML code

<!--Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--><td class="image">    <a href="/title/tt0948470/" title="The Amazing Spider-Man (2012)"><img src="/static/imghw/default1.png" data-src="http://ia.media-imdb.com/images/M/MV5BMjMyOTM4MDMxNV5BMl5BanBnXkFtZTcwNjIyNzExOA@@._V1._SX54_CR0,0,54,74_.jpg" class="lazy"    style="max-width:90%"  style="max-width:90%" alt="The Amazing Spider-Man (2012)" title="The Amazing Spider-Man (2012)"></a>  </td>

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------解决方案--------------------

PHP code

<?php $str='<td class="image">    <a href="/title/tt0948470/" title="The Amazing Spider-Man (2012)"><img src="/static/imghw/default1.png" data-src="http://ia.media-imdb.com/images/M/MV5BMjMyOTM4MDMxNV5BMl5BanBnXkFtZTcwNjIyNzExOA@@._V1._SX54_CR0,0,54,74_.jpg" class="lazy"    style="max-width:90%"  style="max-width:90%" alt="The Amazing Spider-Man (2012)" title="The Amazing Spider-Man (2012)"></a>    <a href="/title/tt0948470/" title="The Amazing Spider-Man (2012)">  ';$patten = '/title="(.*)"/Uis';if (preg_match ( $patten, $str, $array )) {print_r($array);}echo "<br>";$patten1 = '/</a><a href=".*" title="(.*)">/Uis';if (preg_match_all ( $patten1, $str, $array1 )) {print_r($array1[1]);}?&gt;<br><font color="#e78608">------解决方案--------------------</font><br><dl class="code">PHP code<pre class="brush:php;toolbar:false">$string='<td class="image">
<a href="/title/tt0948470/" title="The Amazing Spider-Man (2012)1"><img src="/static/imghw/default1.png" data-src="http://ia.media-imdb.com/images/M/MV5BMjMyOTM4MDMxNV5BMl5BanBnXkFtZTcwNjIyNzExOA@@._V1._SX54_CR0,0,54,74_.jpg" class="lazy"    style="max-width:90%"  style="max-width:90%" alt="The Amazing Spider-Man (2012)" title="The Amazing Spider-Man (2012)3"></a><a href="/title/tt0948470/" title="The Amazing Spider-Man (2012)2"></a>
</td>';     if (preg_match_all ( '/(?array(2) {  [0]=&gt;  array(3) {    [0]=&gt;    string(38) "title="The Amazing Spider-Man (2012)1""    [1]=&gt;    string(38) "title="The Amazing Spider-Man (2012)3""    [2]=&gt;    string(38) "title="The Amazing Spider-Man (2012)2""  }  [1]=&gt;  array(3) {    [0]=&gt;    string(30) "The Amazing Spider-Man (2012)1"    [1]=&gt;    string(30) "The Amazing Spider-Man (2012)3"    [2]=&gt;    string(30) "The Amazing Spider-Man (2012)2"  }}    */<div class="clear">
                 
              
              
        
            </div>

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