1、匹配域名/ip地址+图片的地址:/^((((http|https)(://)|[A-Z-a-z-0-9])(([A-Z-a-z-0-9]+?[.](com|cn|org|net|name))|([0-9]+?[.])+[0-9]|([A-Z-a-z-0-9]+?[.])+[A-Z-a-z-0-9])+?[/])|[A-Z-a-z-0-9])([A-Za-z0-9/]+.(png|gif|jpeg|jpg))+?/
1、匹配域名/ip地址+图片的地址:/^((((http|https)(://)|[A-Z-a-z-0-9])(([A-Z-a-z-0-9]+?[.](com|cn|org|net|name))|([0-9]+?[.])+[0-9]|([A-Z-a-z-0-9]+?[.])+[A-Z-a-z-0-9])+?[/])|[A-Z-a-z-0-9])([A-Za-z0-9/]+.(png|gif|jpeg|jpg))+?/