dbot/modules/youare.js

var youAre = function(dbot) {
    return {
        'name': 'youare',
        'ignorable': false,

        'listener': function(event) {
            var key = event.message.valMatch(/(\bis\b|\bare\b)\s+([\w\s\d]*?)(\s+)?(,|\.|\band\b|$)/, 5);

            if(key && key[2] != "" && Number.prototype.chanceIn(1, 100) && event.user != 'aisbot') {
                event.reply(event.user + ': You\'re ' + key[2] + '.');
            }
        },
        'on': 'PRIVMSG'
    };
};

exports.fetch = function(dbot) {
    return youAre(dbot);
};