在线等正则表达式

Question

本帖最后由 ceirel01 于 2010-12-04 15:26:09 编辑

Answer 1

void Main()
{
string html="<span class=\"piclink\"><a target=\"_blank\" href=\"http://images7.anjukestatic.com/community/20090920/25/26/3/17/25260317/600x600.jpg\"><img src=\"http://images7.anjukestatic.com/community/20090920/25/26/3/17/25260317/600x600.jpg\"></a></span>         <span class=\"picdesc\">2/2/1</span>    <span class=\"piclink\"><a target=\"_blank\" href=\"http://pic1.ajkimg.com/display/anjuke/d6971ceb636d261bc880b4c010fd0e17_187213/600x600.jpg\"><img src=\"http://pic1.ajkimg.com/display/anjuke/d6971ceb636d261bc880b4c010fd0e17_187213/600x600.jpg\"></a></span><span class=\"piclink\"><a target=\"_blank\" href=\"http://pic1.ajkimg.com/display/anjuke/a5e05a80aa817ce78686822543d65a4e_187213/600x600.jpg\"><img";
 
foreach(Match m in Regex.Matches(html,@"(?i)<span\s*class=""piclink""[^>]*>.*?<img[^>]*?src=(['""]?)([^'""\s]+)\1[^>]*>.*?</span>"))
{
 Console.WriteLine(m.Groups[2].Value);
}
}/*
http://images7.anjukestatic.com/community/20090920/25/26/3/17/25260317/600x600.jpg
http://pic1.ajkimg.com/display/anjuke/d6971ceb636d261bc880b4c010fd0e17_187213/600x600.jpg*/

Answer 2

$(".piclink").find("img").each(function(){this.attr("src");});//用jquery就可以了

Answer 3

void Main()
{
string html="<span class=\"piclink\"><a target=\"_blank\" href=\"http://images7.anjukestatic.com/community/20090920/25/26/3/17/25260317/600x600.jpg\"><img src=\"http://images7.anjukestatic.com/community/20090920/25/26/3/17/25260317/600x600.jpg\"></a></span>         <span class=\"picdesc\">2/2/1</span>    <span class=\"piclink\"><a target=\"_blank\" href=\"http://pic1.ajkimg.com/display/anjuke/d6971ceb636d261bc880b4c010fd0e17_187213/600x600.jpg\"><img src=\"http://pic1.ajkimg.com/display/anjuke/d6971ceb636d261bc880b4c010fd0e17_187213/600x600.jpg\"></a></span><span class=\"piclink\"><a target=\"_blank\" href=\"http://pic1.ajkimg.com/display/anjuke/a5e05a80aa817ce78686822543d65a4e_187213/600x600.jpg\"><imgsrc=\"http://pic1.ajkimg.com/display/anjuke/a5e05a80aa817ce78686822543d65a4e_187213/600x600.jpg\"></a></span>";
 
foreach(Match m in Regex.Matches(html,@"(?is)<span\s*class=""piclink""[^>]*>.*?<img[^>]*?src=(['""]?)([^'""\s]+)\1[^>]*>.*?</span>"))
{
 Console.WriteLine(m.Groups[2].Value);
}
}/*
http://images7.anjukestatic.com/community/20090920/25/26/3/17/25260317/600x600.jpg
http://pic1.ajkimg.com/display/anjuke/d6971ceb636d261bc880b4c010fd0e17_187213/600x600.jpg
http://pic1.ajkimg.com/display/anjuke/a5e05a80aa817ce78686822543d65a4e_187213/600x600.jpg
*/

Answer 4

2楼说的对,用JQuery比较容易实现