MarkdownSharp.Markdown.BlockQuoteEvaluator C# (CSharp) Method

        private string BlockQuoteEvaluator(Match match)
        {
            string bq = match.Groups[1].Value;

            bq = Regex.Replace(bq, @"^[ ]*>[ ]?", "", RegexOptions.Multiline);       // trim one level of quoting
            bq = Regex.Replace(bq, @"^[ ]+$", "", RegexOptions.Multiline);           // trim whitespace-only lines
            bq = RunBlockGamut(bq);                                                  // recurse

            bq = Regex.Replace(bq, @"^", "  ", RegexOptions.Multiline);

            // These leading spaces screw with <pre> content, so we need to fix that:
            bq = Regex.Replace(bq, @"(\s*<pre>.+?</pre>)", new MatchEvaluator(BlockQuoteEvaluator2), RegexOptions.IgnorePatternWhitespace | RegexOptions.Singleline);

            bq = string.Format("<blockquote>\n{0}\n</blockquote>", bq);
            string key = GetHashKey(bq, isHtmlBlock: true);
            _htmlBlocks[key] = bq;

            return "\n\n" + key + "\n\n";
        }