bot.onText(/^(ping|핑)[!]?$/i, (msg, match) => {
    var messageId = msg.message_id;
    var chatId = msg.chat.id;
    if (match[1].match(/ping/i)) {
        bot.sendMessage(chatId, 'Ping!', {reply_to_message_id: messageId});
    } else if (match[1].match(/핑/)) {
        bot.sendMessage(chatId, '퐁!', {reply_to_message_id: messageId});
    }
});