<img id='imgrec' src='../../images/f.gif' /> <img id='imgtalk' src='../../images/g.gif' />
的字符串 我怎样只取出id='imgtalk'的img,即<img id='imgtalk' src='../../images/g.gif' />
的字符串 我怎样只取出id='imgtalk'的img,即<img id='imgtalk' src='../../images/g.gif' />
string test = "<img id='imgrec' src='../../images/f.gif' /><img id='imgtalk' src='../../images/g.gif' />";
Match m = Regex.Match(test, @"<img[^>]*?(?<=id=['""]?imgtalk['""]?\s+[^>]*?src=['""]?)[^""\s]*(?=['""]?)[^>].*/>", RegexOptions.IgnoreCase);
if (m.Success) Response.Write(m.Value);