Add support for code blocks in other languages

Author: camdrit

Program.cs

@@ -23,7 +23,7 @@
 var xrefRegex = new Regex("<xref href=\"(.+?)\" data-throw-if-not-resolved=\"false\"></xref>", RegexOptions.Compiled);
 var langwordXrefRegex =
     new Regex("<xref uid=\"langword_csharp_.+?\" name=\"(.+?)\" href=\"\"></xref>", RegexOptions.Compiled);
-var codeBlockRegex = new Regex("<pre><code class=\"lang-csharp\">((.|\n)+?)</code></pre>", RegexOptions.Compiled);
+var codeBlockRegex = new Regex("<pre><code class=\"lang-([a-zA-Z0-9]+)\">((.|\n)+?)</code></pre>", RegexOptions.Compiled);
 var codeRegex = new Regex("<code>(.+?)</code>", RegexOptions.Compiled);
 var linkRegex = new Regex("<a href=\"(.+?)\">(.+?)</a>", RegexOptions.Compiled);
 var brRegex = new Regex("<br */?>", RegexOptions.Compiled);
@@ -210,7 +210,7 @@ string Link(string uid, bool linkFromGroupedType, bool nameOnly = false, bool li
         return Link(uid, linkFromGroupedType);
     });
     summary = langwordXrefRegex.Replace(summary, match => $"`{match.Groups[1].Value}`");
-    summary = codeBlockRegex.Replace(summary, match => $"```csharp\n{match.Groups[1].Value.Trim()}\n```");
+    summary = codeBlockRegex.Replace(summary, match => $"```{match.Groups[1].Value.Trim()}\n{match.Groups[2].Value.Trim()}\n```");
     summary = codeRegex.Replace(summary, match => $"`{match.Groups[1].Value}`");
     summary = linkRegex.Replace(summary, match => $"[{match.Groups[2].Value}]({match.Groups[1].Value})");
     summary = brRegex.Replace(summary, _ => config.BrNewline);