C# 利用正则表达式获取富文本框中所有图片路劲

 1 public static string[] GetHtmlImageUrlList(string htmlText)
 2         {
 3             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);
 4 
 5             //新建一个matches的MatchCollection对象 保存 匹配对象个数(img标签)
 6             MatchCollection matches = regImg.Matches(htmlText);
 7             int i = 0;
 8             string[] sUrlList = matches.Count >= 3 ? new string[3] : new string[matches.Count];
 9             //遍历所有的img标签对象
10             foreach (Match match in matches)
11             {
12                 //获取所有Img的路径src,并保存到数组中
13                 if (i <= 2)
14                 {
15                     sUrlList[i++] = match.Groups["imgUrl"].Value.AddImgPathPrefix();
16                 }
17             }
18             return sUrlList;
19         }

1 string content = "<p>测试<img src=\"/Uploads/Images/UEditor/2020052417350496181.jpg\" title=\"pic.jpg\" alt=\"pic.jpg\"/></p><p><br/></p><p><img src=\"/Uploads/Images/UEditor/2020052417361071834.jpg\" title=\"pic2.jpg\" alt=\"pic2.jpg\"/></p><p><br/></p>";
2             string[] array = Models.UtiServer.GetHtmlImageUrlList(content);