<dd class="clear">
    <a  target="_blank" title="爱丽丝cos" href="/cp/sK7A9su_Y29z.html">爱丽丝cos</a>
<a  target="_blank" title="爱丽丝连衣裙" href="/cp/sK7A9su_wazSwsi5.html">爱丽丝连衣裙</a>
<a  target="_blank" title="爱丽丝梦游仙境" href="/cp/sK7A9su_w87Tzs_JvrM.html">爱丽丝梦游仙境</a>
<a  target="_blank" title="爱丽丝疯狂回归" href="/cp/sK7A9su_t-i_8bvYuek.html">爱丽丝疯狂回归</a>
<a  target="_blank" title="爱丽丝花盆" href="/cp/sK7A9su_u6jF6A.html">爱丽丝花盆</a>
<a  target="_blank" title="爱丽丝手办" href="/cp/sK7A9su_ytaw7A.html">爱丽丝手办</a>
<a  target="_blank" title="alice" href="/cp/YWxpY2U.html">alice</a>
<a  target="_blank" title="女仆" href="/cp/xa7GzQ.html">女仆</a>
<a  target="_blank" title="爱丽丝学园" href="/cp/sK7A9su_0afUsA.html">爱丽丝学园</a>
<a  target="_blank" title="爱丽丝菲尔" href="/cp/sK7A9su_t8a2-w.html">爱丽丝菲尔</a>
<a  target="_blank" title="爱丽丝手包" href="/cp/sK7A9su_ytaw_A.html">爱丽丝手包</a>
<a  target="_blank" title="爱丽丝复古" href="/cp/sK7A9su_uLS5xQ.html">爱丽丝复古</a>
</dd>
我现在要取这个页面的<dd class="clear">到</dd>之间这段内容里的title的值和href的值,因为这个页面其他地方也有这种格式,所以现在直接用$contents_key = '~<a  target="_blank" title="(.*?)" href="(.*?)">~';
preg_match_all($contents_key,$html,$contentskey);这样会把dd标签外的相同格式的也包含进来,问下这个正则应该怎么写?

解决方案 »

  1.   

    先把<dd class="clear">到</dd>之间的抓去出来 然后再去解析里面的title和链接 
      

  2.   

    我就想要title=“这里是我要的” href=“这里也是我想要的”,而且最好是一个正则,感觉两个正则要匹配两次,效率是不是有点太低了?
      

  3.   

    $s=<<<div
    agfdafg
    <dd class="clear">
                                                       <a  target="_blank" title="爱丽丝cos" href="/cp/sK7A9su_Y29z.html">爱丽丝cos</a>
                                <a  target="_blank" title="爱丽丝连衣裙" href="/cp/sK7A9su_wazSwsi5.html">爱丽丝连衣裙</a>
                                <a  target="_blank" title="爱丽丝梦游仙境" href="/cp/sK7A9su_w87Tzs_JvrM.html">爱丽丝梦游仙境</a>
                                <a  target="_blank" title="爱丽丝疯狂回归" href="/cp/sK7A9su_t-i_8bvYuek.html">爱丽丝疯狂回归</a>
                                <a  target="_blank" title="爱丽丝花盆" href="/cp/sK7A9su_u6jF6A.html">爱丽丝花盆</a>
                                <a  target="_blank" title="爱丽丝手办" href="/cp/sK7A9su_ytaw7A.html">爱丽丝手办</a>
                                <a  target="_blank" title="alice" href="/cp/YWxpY2U.html">alice</a>
                                <a  target="_blank" title="女仆" href="/cp/xa7GzQ.html">女仆</a>
                                <a  target="_blank" title="爱丽丝学园" href="/cp/sK7A9su_0afUsA.html">爱丽丝学园</a>
                                <a  target="_blank" title="爱丽丝菲尔" href="/cp/sK7A9su_t8a2-w.html">爱丽丝菲尔</a>
                                <a  target="_blank" title="爱丽丝手包" href="/cp/sK7A9su_ytaw_A.html">爱丽丝手包</a>
                                <a  target="_blank" title="爱丽丝复古" href="/cp/sK7A9su_uLS5xQ.html">爱丽丝复古</a>
                            </dd>
    dafdsaf
    div;
    preg_match('/<dd class="clear">(.+?)<\/dd>/s',$s,$m);
    echo $m[1];                                                   <a  target="_blank" title="爱丽丝cos" href="/cp/sK7A9su_Y29z.html">爱丽丝cos</a>
                                <a  target="_blank" title="爱丽丝连衣裙" href="/cp/sK7A9su_wazSwsi5.html">爱丽丝连衣裙</a>
                                <a  target="_blank" title="爱丽丝梦游仙境" href="/cp/sK7A9su_w87Tzs_JvrM.html">爱丽丝梦游仙境</a>
                                <a  target="_blank" title="爱丽丝疯狂回归" href="/cp/sK7A9su_t-i_8bvYuek.html">爱丽丝疯狂回归</a>
                                <a  target="_blank" title="爱丽丝花盆" href="/cp/sK7A9su_u6jF6A.html">爱丽丝花盆</a>
                                <a  target="_blank" title="爱丽丝手办" href="/cp/sK7A9su_ytaw7A.html">爱丽丝手办</a>
                                <a  target="_blank" title="alice" href="/cp/YWxpY2U.html">alice</a>
                                <a  target="_blank" title="女仆" href="/cp/xa7GzQ.html">女仆</a>
                                <a  target="_blank" title="爱丽丝学园" href="/cp/sK7A9su_0afUsA.html">爱丽丝学园</a>
                                <a  target="_blank" title="爱丽丝菲尔" href="/cp/sK7A9su_t8a2-w.html">爱丽丝菲尔</a>
                                <a  target="_blank" title="爱丽丝手包" href="/cp/sK7A9su_ytaw_A.html">爱丽丝手包</a>
                                <a  target="_blank" title="爱丽丝复古" href="/cp/sK7A9su_uLS5xQ.html">爱丽丝复古</a>
                            
      

  4.   

    试试用这个匹配dd的内容$pattern = '/<dd class="clear">.*<\/dd>/is'修饰符i:不分大小写
    修饰符s:模式里的一个"点"将匹配所有字符,包括换行.没有他,换行将被排除在外.这个修饰符等同于Perl里面的/s修饰符
      

  5.   

    $contents_key = '~<dd class="clear">([\s\S]*?)</dd>~';
    我自己想了个,这个搞定。