/// <summary>

/// 获取字符串中img的url集合

/// </summary>

/// <param name="content">字符串</param>

/// <returns></returns>

public static List<string> GetImgUrl(string content)

{

Regex rg = new Regex("src=\"([^\"]+)\"", RegexOptions.IgnoreCase);

var img = rg.Match(content);

List<string> imgUrl = new List<string>();

while (img.Success)

{

imgUrl.Add(img.Groups[].Value);

img = img.NextMatch();

}

return imgUrl;

}