php--正则匹配抓取html的相关内容

$str = <<<s

<div class="article-content">
<p><br/></p><section style="background-color: rgb(255, 255, 255); box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style="position: static; box-sizing: border-box;"><section class="" style="position: static; box-sizing: border-box;"><section class="" style="box-sizing: border-box;"><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; box-sizing: border-box; line-height: 2em; text-indent: 2em;"><span style="font-size: 16px;">据消息，行业大咖林鵬先生、姜殿革先生两位股东现已正式加盟广东中造动力智能设备有限公司。林鵬先生出任中造动力CEO，姜殿革先生出任首席项目总监。中造动力全体同仁为家居行业智能工厂奋斗不息！</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; box-sizing: border-box; line-height: 2em; text-indent: 2em;"><span style="font-size: 16px;"><br/></span></p></section></section></section><section class="Powered-by-XIUMI V5" style="position: static; box-sizing: border-box; text-align: center;"><section class="" style="max-width: 100%; vertical-align: middle; display: inline-block; overflow: hidden !important; box-sizing: border-box;"><img src="http://img.xiumi.us/xmi/ua/wCNv/i/4ee0d1eb16c85afa3ac065d83a85e935-sz_3046064.jpg?x-oss-process=style/xm"/></section><p><br/></p></section><section class="Powered-by-XIUMI V5" style="position: static; box-sizing: border-box; text-align: center;"><section class="" style="max-width: 100%; vertical-align: middle; display: inline-block; overflow: hidden !important; box-sizing: border-box;"><img src="http://img.xiumi.us/xmi/ua/wCNv/i/a7098c8e1e408d527455508661b3c26e-sz_3944473.jpg?x-oss-process=style/xm"/></section><p><br/></p></section><section class="Powered-by-XIUMI V5" style="position: static; box-sizing: border-box; text-align: center;"><section class="" style="max-width: 100%; vertical-align: middle; display: inline-block; overflow: hidden !important; box-sizing: border-box;"><img src="http://img.xiumi.us/xmi/ua/wCNv/i/b0e11fb0e0fdbf255589ad9ab2cbe153-sz_3411415.jpg?x-oss-process=style/xm"/></section><p>▲曾总与林鵬先生合照</p><p><br/></p></section><section class="Powered-by-XIUMI V5" style="position: static; box-sizing: border-box; text-align: center;"><section class="" style="max-width: 100%; vertical-align: middle; display: inline-block; overflow: hidden !important; box-sizing: border-box;"><img src="http://img.xiumi.us/xmi/ua/wCNv/i/63960f364ce08383c3160de9b9a32725-sz_3521386.jpg?x-oss-process=style/xm"/></section><p>▲曾总与姜殿革先生合照</p><p><br/></p></section><section class="Powered-by-XIUMI V5" style="position: static; box-sizing: border-box; text-align: center;"><section class="" style="max-width: 100%; vertical-align: middle; display: inline-block; overflow: hidden !important; box-sizing: border-box;"><img src="http://img.xiumi.us/xmi/ua/wCNv/i/9900295260e61eaa3b3ac953f40d8858-sz_1514155.jpg?x-oss-process=style/xm"/></section><p><br/></p></section></section><p><br/></p><p style="text-align: center; line-height: 2em;"><span style="font-size: 16px;">中造动力联系方式</span></p><p style="text-align: center; line-height: 2em;"><span style="font-size: 16px;">固话：0757-23660927</span></p><p style="text-align: center; line-height: 2em;"><span style="font-size: 16px; text-indent: 32px; background-color: rgb(255, 255, 255);">首席项目总监姜殿革先生：18616510086</span></p><p style="text-align: center; line-height: 2em;"><span style="text-indent: 32px; background-color: rgb(255, 255, 255); font-size: 16px;">销售经理刘青松先生：18188721615</span></p><p><br/></p>
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<form data-abide="true" novalidate="novalidate" class="simple_form session" action="/login" accept-charset="UTF-8" method="post"><input name="utf8" type="hidden" value="✓" /><input type="hidden" name="authenticity_token" value="/90DGW7jSEjVwRWMzEAnrkFGqtCQl909u7Ons30WLHperZtZw6evN3Qhs1E8i5douY3xOdcKdbMrDTEhy49Vmg==" />
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s;

$a = '<img class="ywxk" src="/client/images/home/ywxk.png"></img>';
$pattern = '/<img(.+?)src=[\'"](.+?)[\'"](.+?)>/ius';
pr
4000
eg_match_all($pattern, $str, $match);
print_r($match);die;