采撷正则 求大神解答

<br /><h4 class="cat-hd fst-cat-hd "><br />                                    <br />                                        <i class="cat-icon fst-cat-icon  active-trigger"></i><br />                                        <a class="cat-name fst-cat-name"<br /><br />                                                                                       href="http://bosidengny.tmall.com/category-907362758.htm?search=y&catName=%D0%C2%C6%B7%D7%A8%C7%F8"<br />                                             >新品专区</a><br />                                                                        </h4><br />                                                                    </li><br />                                                            <li class="cat fst-cat"><br />                                    <h4 class="cat-hd fst-cat-hd has-children"><br />                                    <br />                                        <i class="cat-icon fst-cat-icon  active-trigger"></i><br />                                        <a class="cat-name fst-cat-name"<br /><br />                                                                                       href="http://bosidengny.tmall.com/category-907362759.htm?search=y&catName=%B1%A3%C5%AF%C9%CF%D7%B0"<br />                                             >保暖上装</a><br />                                                                        </h4><br />                                                                            <div class="snd-pop"><br />                                            <div class="snd-pop-inner"><br />                                                <ul class="fst-cat-bd"><br />                                                                                                            <li class="cat snd-cat"><br />                                                            <h4 class="cat-hd snd-cat-hd"><br />                                                                <i class="cat-icon snd-cat-icon"></i><br />                                                                <a class="cat-name snd-cat-name"<br />                                                                                                                                       href="http://bosidengny.tmall.com/category-907362760.htm?search=y&parentCatId=907362759&parentCatName=%B1%A3%C5%AF%C9%CF%D7%B0&catName=%BC%D9%C1%BD%BC%FE%A3%A8%B3%C4%C9%C0%C1%EC%A3%A9"<br />                                                                     ><br />                                                                    假两件（衬衫领）<br />                                                                </a><br />                                                            </h4><br />                                                        </li><br />                                                                                                            <li class="cat snd-cat"><br />                                                            <h4 class="cat-hd snd-cat-hd"><br />                                                                <i class="cat-icon snd-cat-icon"></i><br />                                                                <a class="cat-name snd-cat-name"<br />                                                                                                                                       href="http://bosidengny.tmall.com/category-907362761.htm?search=y&parentCatId=907362759&parentCatName=%B1%A3%C5%AF%C9%CF%D7%B0&catName=V%C1%EC%C9%CF%D7%B0"<br />                                                                     ><br />                                                                    V领上装<br />                                                                </a><br />                                                            </h4><br />                                                        </li><br />

$s =<<< TXT<br /><h4 class="cat-hd fst-cat-hd "><br />                                     <br />                                        <i class="cat-icon fst-cat-icon  active-trigger"></i><br />                                        <a class="cat-name fst-cat-name"<br /> <br />                                                                                       href="http://bosidengny.tmall.com/category-907362758.htm?search=y&catName=%D0%C2%C6%B7%D7%A8%C7%F8"<br />                                             >新品专区</a><br />                                                                        </h4><br />                                                                    </li><br />                                                            <li class="cat fst-cat"><br />                                    <h4 class="cat-hd fst-cat-hd has-children"><br />                                     <br />                                        <i class="cat-icon fst-cat-icon  active-trigger"></i><br />                                        <a class="cat-name fst-cat-name"<br /> <br />                                                                                       href="http://bosidengny.tmall.com/category-907362759.htm?search=y&catName=%B1%A3%C5%AF%C9%CF%D7%B0"<br />                                             >保暖上装</a><br />                                                                        </h4><br />                                                                            <div class="snd-pop"><br />                                            <div class="snd-pop-inner"><br />                                                <ul class="fst-cat-bd"><br />                                                                                                            <li class="cat snd-cat"><br />                                                            <h4 class="cat-hd snd-cat-hd"><br />                                                                <i class="cat-icon snd-cat-icon"></i><br />                                                                <a class="cat-name snd-cat-name"<br />                                                                                                                                       href="http://bosidengny.tmall.com/category-907362760.htm?search=y&parentCatId=907362759&parentCatName=%B1%A3%C5%AF%C9%CF%D7%B0&catName=%BC%D9%C1%BD%BC%FE%A3%A8%B3%C4%C9%C0%C1%EC%A3%A9"<br />                                                                     ><br />                                                                    假两件（衬衫领）<br />                                                                </a><br />                                                            </h4><br />                                                        </li><br />                                                                                                            <li class="cat snd-cat"><br />                                                            <h4 class="cat-hd snd-cat-hd"><br />                                                                <i class="cat-icon snd-cat-icon"></i><br />                                                                <a class="cat-name snd-cat-name"<br />                                                                                                                                       href="http://bosidengny.tmall.com/category-907362761.htm?search=y&parentCatId=907362759&parentCatName=%B1%A3%C5%AF%C9%CF%D7%B0&catName=V%C1%EC%C9%CF%D7%B0"<br />                                                                     ><br />                                                                    V领上装<br />                                                                </a><br />                                                            </h4><br />                                                        </li><br />TXT;<br /><br />include 'simple_html_dom.php';<br />$p = new simple_html_dom;<br />$p->load($s);<br />foreach($p->find('a') as $v) {<br />  echo $v->class, PHP_EOL; //这是可供区分级别的 class<br />  echo $v->href,PHP_EOL; //这是url<br />  echo trim($v->innertext()),PHP_EOL; //这是说明文字<br />}

cat-name fst-cat-name <br />http://bosidengny.tmall.com/category-907362758.htm?search=y&catName=%D0%C2%C6%B7%D7%A8%C7%F8<br />新品专区 <br />cat-name fst-cat-name<br />http://bosidengny.tmall.com/category-907362759.htm?search=y&catName=%B1%A3%C5%AF%C9%CF%D7%B0<br />保暖上装<br />cat-name snd-cat-name<br />http://bosidengny.tmall.com/category-907362760.htm?search=y&parentCatId=907362759&parentCatName=%B1%A3%C5%AF%C9%CF%D7%B0&catName=%BC%D9%C1%BD%BC%FE%A3%A8%B3%C4%C9%C0%C1%EC%A3%A9<br />假两件（衬衫领）<br />cat-name snd-cat-name<br />http://bosidengny.tmall.com/category-907362761.htm?search=y&parentCatId=907362759&parentCatName=%B1%A3%C5%AF%C9%CF%D7%B0&catName=V%C1%EC%C9%CF%D7%B0<br />V领上装<br />