auto re  = [r"[^`]`([^`]+)", "```"];

    bool inCode;
    foreach (m; text.matchAll(re))
    {
        if (m[0] == "```")
        {
            inCode = !inCode;
        }

        if (!inCode) {
            writeln(">>>");
            writeln(m[1]);
            writeln("<<<");
        }
    }