求一个正责表达式，我写的不知道为啥不行打印$d 里包含<dd[^>]*>([sS]*)</dd>之间的类容-PHP Tutorial-php.cn

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求一个正责表达式，我写的不知道为啥不行打印$d 里包含<dd[^>]*>([sS]*)</dd>之间的类容

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Jun 23, 2016 pm 01:10 PM

        $a = '<dl class="info_l">                    <dd class="__r_c_" pan="M14_Movie_Overview_BaseInfo"><strong>导演：</strong>                        <a href="http://people.mtime.com/1654943/" target="_blank" rel="v:directedBy">杨庆</a>                    </dd>                    <dd  class="__r_c_" pan="M14_Movie_Overview_BaseInfo"><strong>编剧：</strong>                        <a href="http://people.mtime.com/1654943/" target="_blank">杨庆</a>                    </dd>                    <dd  class="__r_c_" pan="M14_Movie_Overview_BaseInfo">                        <strong>国家地区：</strong>                            <a href="http://movie.mtime.com/movie/search/section/?nation=China" target="_blank">中国</a>                    </dd>                  <dd  class="__r_c_" pan="M14_Movie_Overview_BaseInfo">                    <strong>发行公司：</strong>                    <a href="http://movie.mtime.com/company/121271/" target="_blank">五洲电影发行有限公司</a>                    <a href="http://movie.mtime.com/229813/details.html#company" target="_blank">...</a>                  </dd>                    <dt class="__r_c_" pan="M14_Movie_Overview_PlotsSummary">                        <h4 id="nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-剧情">                            剧情：</h4>                        <p class="mt6 lh18">在布满防空洞的重庆，三个从初中就“厮混”在一起的好兄弟合伙开着一家火锅店，名为“老同学洞子火锅”。由于经营不善，几人落得只能转让店铺还债。为了店铺能“卖个好价钱”，三人打起了“扩充门面”的主意，自行往洞里开挖。没想到，..</p>                            <p class="tr mt9"><a href="http://movie.mtime.com/229813/plots.html">更多剧情 <i class="gt"></i></a></p>                    </dt>            </dl>';        preg_match_all("<dd[^>]*>([\s\S]*)<\/dd>/isU",$a,$d);        print_r($d);

回复讨论(解决方案)

preg_match_all("/<dd[^>]*>([\s\S]*?)<\/dd>/is",$a,$d);

正则没问题，只是少了起始分割符
preg_match_all(" /

]*>([\s\S]*)/isU",$a,$d);

$a = '<dl class="info_l">                    <dd class="__r_c_" pan="M14_Movie_Overview_BaseInfo"><strong>导演：</strong>                        <a href="http://people.mtime.com/1654943/" target="_blank" rel="v:directedBy">杨庆</a>                    </dd>                    <dd  class="__r_c_" pan="M14_Movie_Overview_BaseInfo"><strong>编剧：</strong>                        <a href="http://people.mtime.com/1654943/" target="_blank">杨庆</a>                    </dd>                    <dd  class="__r_c_" pan="M14_Movie_Overview_BaseInfo">                        <strong>国家地区：</strong>                            <a href="http://movie.mtime.com/movie/search/section/?nation=China" target="_blank">中国</a>                    </dd>                  <dd  class="__r_c_" pan="M14_Movie_Overview_BaseInfo">                    <strong>发行公司：</strong>                    <a href="http://movie.mtime.com/company/121271/" target="_blank">五洲电影发行有限公司</a>                    <a href="http://movie.mtime.com/229813/details.html#company" target="_blank">...</a>                  </dd>                    <dt class="__r_c_" pan="M14_Movie_Overview_PlotsSummary">                        <h4 id="nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-nbsp-剧情">                            剧情：</h4>                        <p class="mt6 lh18">在布满防空洞的重庆，三个从初中就“厮混”在一起的好兄弟合伙开着一家火锅店，名为“老同学洞子火锅”。由于经营不善，几人落得只能转让店铺还债。为了店铺能“卖个好价钱”，三人打起了“扩充门面”的主意，自行往洞里开挖。没想到，..</p>                            <p class="tr mt9"><a href="http://movie.mtime.com/229813/plots.html">更多剧情 <i class="gt"></i></a></p>                    </dt>            </dl>';        preg_match_all("/<dd[^>]*>([\s\S]*)<\/dd>/isU",$a,$d);         print_r($d[1]);

Array(    [0] => <strong>导演：</strong>                        <a href="http://people.mtime.com/1654943/" target="_blank" rel="v:directedBy">杨庆</a>                        [1] => <strong>编剧：</strong>                        <a href="http://people.mtime.com/1654943/" target="_blank">杨庆</a>                        [2] =>                         <strong>国家地区：</strong>                            <a href="http://movie.mtime.com/movie/search/section/?nation=China" target="_blank">中国</a>                        [3] =>                     <strong>发行公司：</strong>                    <a href="http://movie.mtime.com/company/121271/" target="_blank">五洲电影发行有限公司</a>                    <a href="http://movie.mtime.com/229813/details.html#company" target="_blank">...</a>                  )

preg_match_all("/

]*>([\s\S]*)/isU",$a,$d);

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