正则替换图片

<a target="_blank" href="http://vipwebchat.tq.cn/pageinfo.jsp?version=vip&admiuin=9509702<ype=0&iscallback=1&page_templete_id=78956&is_message_sms=0&is_send_mail=0&action=acd&acd=1&type_code=1&clientid=4604_6605_14152425271947_180952-wap28com_9509702">

<img border="0" src="http://float2006.tq.cn/staticimg.jsp?version=vip&admiuin=9509702<ype=0&action=acd&acd=1&type_code=1&onlinepic=http://userfiles.tq.cn/userfiles/upload_70/9509702/1408589761.png&offlinepic=http://userfiles.tq.cn/userfiles/upload_70/9509702/1408589761.png" data-bd-imgshare-binded="1">

</a>

 

 

 

 

 

 

 

 

#在线咨询
$imgsrc = 'images/zxzx.png';
$tqStrHtml =  htmlspecialchars_decode($data["tq_mobile_code"]);
$reg = '/<img.*\/>/iUs';

$str = preg_replace($reg, '<img src='.$imgsrc.' border="0" /><h3>在线咨询</h3>', $tqStrHtml);