取出文本中的图片地址
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- public static string GetImgUrl(string HTMLStr)
- {
- string str = string.Empty;
- string sPattern = @"^<img\s+[^>]*>";
- Regex r = new Regex(@"<img\s+[^>]*\s*src\s*=\s*([']?)(?<url>\S+)'?[^>]*>",
- RegexOptions.Compiled);
- Match m = r.Match(HTMLStr.ToLower());
- if (m.Success)
- str = m.Result("${url}");
- return str;
- }
