取出image/之后的20170626/1498445461112119.png（日期/文件名）路径也可以，前面的我可以手动拼。。。
很抱歉不能采纳多个，我是取出来后才登陆segmentfault的，非常感谢各位。
附正则：$preg='//d/d.[jpg|jpeg|png|bmp|gif]*/i';
解决方案
<?php$str = '<p>图1<img src="/public/upload/ueditor/image/20170626/1234567890.png" title="1234567890.png" alt="QQ图片1234567890.png"></p><p>图1<img src="/public/upload/ueditor/image/20170626/0987654321.png" title="0987654321.png" alt="QQ图片0987654321.png"></p>';if (preg_match_all('/src="(.+?)"/', $str, $matches)) { print_r($matches);} else { echo '没有匹配';}输出:
( [0] => Array ( [0] => src="/public/upload/ueditor/image/20170626/1234567890.png" [1] => src="/public/upload/ueditor/image/20170626/0987654321.png" ) [1] => Array ( [0] => /public/upload/ueditor/image/20170626/1234567890.png [1] => /public/upload/ueditor/image/20170626/0987654321.png ))感兴趣欢迎看我的正则表达式入门讲堂: 一个小时学会使用正则表达式