c# HTML中提取图片地址

public class HtmlHelper
????{
????????/// <summary>
????????/// HTML中提取图片地址
????????/// </summary>
????????public static List<string> PickupImgUrl(string html)
????????{
????????????Regex regImg = new Regex(@"<img\b[^<>]*?\bsrc[\s\t\r\n]*=[\s\t\r\n]*[""‘]?[\s\t\r\n]*(?<imgUrl>[^\s\t\r\n""‘<>]*)[^<>]*?/?[\s\t\r\n]*>", RegexOptions.IgnoreCase);
????????????MatchCollection matches = regImg.Matches(html);
????????????List<string> lstImg = new List<string>();

????????????foreach (Match match in matches)
????????????{
????????????????lstImg.Add(match.Groups["imgUrl"].Value);
????????????}

????????????return lstImg;
????????}

????????/// <summary>
????????/// HTML中提取图片地址
????????/// </summary>
????????public static string PickupImgUrlFirst(string html)
????????{
????????????List<string> lstImg = PickupImgUrl(html);

????????????return lstImg.Count == 0 ? string.Empty : lstImg[0];
????????}
????}

c# HTML中提取图片地址

原文：http://www.cnblogs.com/qq260250932/p/5362107.html