正则取img

Question

<?php
$html="<img src=http://www.baidu.com/img/logo.gif >kuhkjhj<img src=<img src=http://www.baidu.com/img/logo45.gif >";
preg_match_all("/(src|src)=[\"|'| ]{0,}(http:\/\/(.*?)\.(gif|jpg|jpeg|bmp|png))/",$html,$out);
$arrLink = $out[2];
die($arrLink[0]);
?>非贪婪匹配

Answer 1

<?php
$html="<img src=http://www.baidu.com/img/logo.gif >kuhkjhj<img src=<img src=http://www.baidu.com/img/logo45.gif >";
preg_match_all("/(src|src)=[\"|'| ]{0,}(http:\/\/(.*?)\.(gif|jpg|jpeg|bmp|png))/",$html,$out);
$arrLink = $out[2];
die($arrLink[0]);
?>非贪婪匹配

Answer 2

非贪婪匹配 学习了，但这个模式下，有些特例域名下就不行，
gif|jpg|jpeg|bmp|png 这些域名如 www.gif.com， www.jpg.net