正则批量替换
$str =''
如何批量将src前面加个域名呢
$str =''
<br /> $str = '<img src="test/aaa/a.jpg" widht=33 height=3 alt=" 正则批量轮换 " ><img src="f/aaa/a.jpg" widht=4 height=3 alt=" 正则批量轮换 " >';<br /> echo preg_replace('/(src=")/', "$1'http://www.xxx.com/", $str);<br />