custom-replacements.jl

custom_replacements = Dict{Regex, Function}(
    r"@fetch_sample_from_database: \"(.*)\"" => function (match)::String
        database_key = match.captures[1]
        source = find_source(global_database, database_key)
        # return a String with any markdown accepted by Documenter:
        """
        ```@example
            $source
        ```
        """
    end
)