const youTubeRegEx = /(http(s)?:\/\/)?((w){3}.)?youtu(?:be\.com\/watch\?.*v=|\.be\/)([\w\-\_]*)(&(amp;)?‌​[\w\?‌​=]*)?/;

const instagramRegEx = /(http(s)?:\/\/)?((w){3}.)?instagram\.com(\/p\/\w+\/?)/;

const spotifyRegEx = /spotify:track:\w+|(http(s)?:\/\/)?((w){3}.)?[a-z]+\.spotify\.com\/[^\s]+/;

const vliveRegEx = /(http(s)?:\/\/)?((w){3}.)?vlive\.tv\/video\/\d+/;

const twitterRegEx = /(http(s)?:\/\/)?((w){3}.)?twitter\.com\/[^\s]+/;

const redditRegEx = /(http(s)?:\/\/)?((w){3}.)?reddit\.com\/(r|user)\/[^\s]+/;

function matchStr(str, regex) {

if (str) {

return str.match(regex);

}

}

module.exports = {

matchYTUrl: function(url) {

return matchStr(url, youTubeRegEx);

},

matchIGUrl: function(url) {

return matchStr(url, instagramRegEx);

},

matchSpotifyUrl: function(url) {

return matchStr(url, spotifyRegEx);

},

matchVLiveUrl: function(url) {

return matchStr(url, vliveRegEx);

},

matchTwitterUrl: function(url) {

return matchStr(url, twitterRegEx);

},

matchRedditUrl: function(url) {

return matchStr(url, redditRegEx);

},

};