(function() {

var patterns = {

link: new RegExp('((?:(http|https|rtsp):\\/\\/(?:(?:[a-z0-9\\$\\-\\_\\.\\+\\!\\*\\\'\\(\\)' + '\\,\\;\\?\\&\\=]|(?:\\%[a-fA-F0-9]{2})){1,64}(?:\\:(?:[a-z0-9\\$\\-\\_' + '\\.\\+\\!\\*\\\'\\(\\)\\,\\;\\?\\&\\=]|(?:\\%[a-fA-F0-9]{2})){1,25})?\\@)?)?' + '((?:(?:[a-z0-9][a-z0-9\\-]{0,64}\\.)+' + '(?:' + '(?:aero|a[cdefgilmnoqrstuwxz])' + '|(?:biz|b[abdefghijmnorstvwyz])' + '|(?:com|c[acdfghiklmnoruvxyz])' + '|d[ejkmoz]' + '|(?:edu|e[cegrstu])' + '|(?:fyi|f[ijkmor])' + '|(?:gov|g[abdefghilmnpqrstuwy])' + '|(?:how|h[kmnrtu])' + '|(?:info|i[delmnoqrst])' + '|(?:jobs|j[emop])' + '|k[eghimnrwyz]' + '|l[abcikrstuvy]' + '|(?:mil|mobi|moe|m[acdeghklmnopqrstuvwxyz])' + '|(?:name|net|n[acefgilopruz])' + '|(?:org|om)' + '|(?:pro|p[aefghklmnrstwy])' + '|qa' + '|(?:r[eouw])' + '|(?:s[abcdeghijklmnortuvyz])' + '|(?:t[cdfghjklmnoprtvwz])' + '|u[agkmsyz]' + '|(?:vote|v[ceginu])' + '|(?:xxx)' + '|(?:watch|w[fs])' + '|y[etu]' + '|z[amw]))' + '|(?:(?:25[0-5]|2[0-4]' + '[0-9]|[0-1][0-9]{2}|[1-9][0-9]|[1-9])\\.(?:25[0-5]|2[0-4][0-9]' + '|[0-1][0-9]{2}|[1-9][0-9]|[1-9]|0)\\.(?:25[0-5]|2[0-4][0-9]|[0-1]' + '[0-9]{2}|[1-9][0-9]|[1-9]|0)\\.(?:25[0-5]|2[0-4][0-9]|[0-1][0-9]{2}' + '|[1-9][0-9]|[0-9])))' + '(?:\\:\\d{1,5})?)' + '(\\/(?:(?:[a-z0-9\\;\\/\\?\\:\\@\\&\\=\\#\\~' + '\\-\\.\\+\\!\\*\\\'\\(\\)\\,\\_])|(?:\\%[a-fA-F0-9]{2}))*)?' + '(?:\\b|$)' + '|(\\.[a-z]+\\/|magnet:\/\/|mailto:\/\/|ed2k:\/\/|irc:\/\/|ircs:\/\/|skype:\/\/|ymsgr:\/\/|xfire:\/\/|steam:\/\/|aim:\/\/|spotify:\/\/)', 'i'),

emotes: new RegExp('([0-9][0-9]-[0-9][0-9])|([0-9]-[0-9])', 'g'),

repeatedSeq: /(.)(\1+)/ig,

nonAlphaSeq: /([^a-z0-9 ])(\1+)/ig,

nonAlphaCount: /([^a-z0-9 ])/ig,

capsCount: /([A-Z])/g,

meCheck: /^\/me/,

fakePurge: new RegExp(/^<message \w+>|^<\w+ deleted>/i)

};

/**

function hasLinks(event) {

return patterns.link.test(event.getMessage());

}

/**

function logLastLink(event) {

$.log.file('patternDetector', 'Matched link on message from ' + event.getSender() + ': ' + patterns.link.exec(event.getMessage())[0]);

}

/**

function getLongestRepeatedSequence(event) {

}

/**

function getLongestNonLetterSequence(event) {

}

/**

function getNumberOfNonLetters(event) {

}

/**

function getEmotesCount(event) {

}

/**

function getMessageWithoutEmotes(event, message) {

}

/**

function getWordAt(str, pos) {

}

/**

function getNumberOfCaps(event) {

}

/**

function getColoredMessage(event) {

return event.getMessage().indexOf('/me') === 0;

}

/**

function getFakePurge(event) {

return patterns.fakePurge.test(String(event.getMessage()).replace(patterns.meCheck, ''));

}

/** Export functions to API */

$.patternDetector = {

hasLinks: hasLinks,

getLongestRepeatedSequence: getLongestRepeatedSequence,

getLongestNonLetterSequence: getLongestNonLetterSequence,

getNumberOfNonLetters: getNumberOfNonLetters,

getEmotesCount: getEmotesCount,

getMessageWithoutEmotes: getMessageWithoutEmotes,

getNumberOfCaps: getNumberOfCaps,

logLastLink: logLastLink,

getColoredMessage: getColoredMessage,

getFakePurge: getFakePurge

};