+
−local jid = require "util.jid";
+
−local st = require "util.stanza";
+
−
+
−local nick_patterns = module:get_option_array("muc_reserve_nick_patterns", {});
+
−
+
−module:hook("muc-occupant-pre-join", function (event)
+
−	local nick = jid.resource(event.occupant.nick);
+
−	for k, nick_pattern in pairs(nick_patterns) do
+
−		if nick:match(nick_pattern) then
+
−			local reply = st.error_reply(event.stanza, "modify", "conflict", "Unacceptable nickname, please try another");
+
−			module:send(reply);
+
−			return true;
+
−		end
+
−	end
+
−end);