Heim >Backend-Entwicklung >PHP-Tutorial >一个正则有关问题
一个正则问题
$str=1主题内容与适用范围<div id="divPdf1" title="../2003Z/hb/z063.pdf#page=2" class="downpdf" style="cursor:hand;">2原理</div><div id="divPdf2" title="../2003Z/hb/z063.pdf#page=2" class="downpdf" style="cursor:hand;">3试剂</div><div id="divPdf3" title="../2003Z/hb/z063.pdf#page=4" class="downpdf" style="cursor:hand;">4仪器、设备</div><div id="divPdf4" title="../2003Z/hb/z063.pdf#page=4" class="downpdf" style="cursor:hand;">5采样及样品保存</div>STR;preg_match('/<div.></div.><font color="#e78608">------解决方案--------------------</font><br>preg_match('/title="([^#\"]+)#/s',$s,$m);<br>prinit_r($m[1]);<br><font color="#e78608">------解决方案--------------------</font><br>/<img src="%5C/images%5C/(.*?)" alt="一个正则有关问题" ><font color="#e78608">------解决方案--------------------</font><br>/<img src="%5C/images%5C/(.*)" alt="一个正则有关问题" ><font color="#e78608">------解决方案--------------------</font><br> $contents = $match[1];<br>foreach($contents as &$v) $v='http://localhost/'.$v;<br> $contents = implode('#',$contents);<br> echo $contents;<div class="clear"> </div>