Mikubot-2/plugins/greetings.lua

 -- Put this on the bottom of your plugin list, after help.lua.

local triggers = {
	bot.first_name .. '%p*$'
}

local action = function(msg)

	local nick = database.users[msg.from.id_str].nickname or msg.from.first_name

	for k,v in pairs(config.greetings) do
		for key,val in pairs(v) do
			if msg.text_lower:match(val..',? '..bot.first_name) then
				sendMessage(msg.chat.id, latcyr(k:gsub('#NAME', nick)))
				return
			end
		end
	end

	return true

end

return {
	action = action,
	triggers = triggers
}