local disallowed = {
        ["^guest[0-9]+"] = msg_guest,
        ["^squeakecrafter[0-9]+"] = msg_guest,
        ["adm[1il]n"] = msg_misleading,
        ["[0o]wn[e3]r"]  = msg_misleading,
        ["^[0-9]+$"] = "All-numeric usernames are disallowed on this server.",
        ["^sadie[0-9]+"] = msg_guest,
        ["^*[0-9][0-9][0-9]*$"],
}