怎么截取这里面的一段文字

<div class="content2 left"><p class="box1"><b>你好</b>你好</p><p class="box2"><span>欢迎光临</span> 这里是要截取的文字.</p></div></div>

解决方案 »

  1.   

    <?php
    $html=<<<HTML
    <div class="content2 left"><p class="box1"><b>你好</b>你好</p><p class="box2"><span>欢迎光临</span> 这里是要截取的文字.</p></div></div>
    HTML;
    preg_match_all('/<p class="box2"><span>(.*)<\/span>(.*)<\/p>/s',$html,$matches);
    print_r($matches);
      

  2.   

    $s=<<<txt
    <div class="content2 left"><p class="box1"><b>你好</b>你好</p><p class="box2"><span>欢迎光临</span> 这里是要截取的文字.</p></div></div>
    txt;
    preg_match('#</span>(.*)#m',$s,$m);
    echo $m[1];