Generate_Cnblogs_Articles_To_Markdown_Files.CnblogsHelper.ProcessArticleCode C# (CSharp) Method

        private static string ProcessArticleCode(string articleContent)
        {
            var regex =
                new Regex(
                    @"(?<total><div\s+class=""cnblogs_code"">.*?(<pre>|<div>)(?<code>.*?)(</pre>|</div>).*?</div>)",
                    RegexOptions.Singleline | RegexOptions.Multiline);
            var matches = regex.Matches(articleContent);
            foreach (Match match in matches)
            {
                var resultString = Regex.Replace(match.Groups["code"].ToString(),
                    @"<span\s+style=""color:\s+#008080;"">.*?</span>", "",
                    RegexOptions.Singleline | RegexOptions.Multiline);
                resultString = Regex.Replace(resultString, "<span.*?>", "",
                    RegexOptions.Singleline | RegexOptions.Multiline);
                resultString = Regex.Replace(resultString, "</span>", "",
                    RegexOptions.Singleline | RegexOptions.Multiline);

                resultString = "\r\n{% codeblock lang:csharp%}\r\n" + resultString + "\r\n{% endcodeblock %}\r\n";
                articleContent =
                    articleContent.Replace(match.Groups["total"].ToString(), resultString)
                        .Replace("<div class=\"cnblogs_code\">", string.Empty)
                        .Replace("</div>", string.Empty);
            }
            return articleContent;
        }