求助 这段代码应该怎么用正则匹配
<li id="onlickImg" name="item-item-img-1" class="track">php??正则
<span class="SpriteSmallImgs" name="http://p4.vanclimg.com/product/0/1/9/0194233/small/0194233-0201303291751461604.jpg" style="background-image: url(//i.vanclimg.com/joinimages.ashx?d=/product/&href=0/1/9/0194233/small/0194233-0201303291751461604.jpg,0/1/9/0194233/small/0194233-1j201303011509563395.jpg,0/1/9/0194233/small/0194233-5y201303011509563395.jpg,0/1/9/0194233/small/0194233-6201303011509563395.jpg,0/1/9/0194233/small/0194233-8mc201303011509563395.jpg,0/1/9/0194233/small/0194233-8md201303011509563395.jpg,0/1/9/0194233/small/0194233-9201303011509563395.jpg);
background-position: 0px -0px"> </span> </li>
preg_match_all('/<span class="SpriteSmallImgs" name="(.+)"/sU',$content,$img);
print_r($img[1]);