JS: Twitalinkahashifyer!

twitalinkahashifyer.js

/**
  * The Twitalinkahashifyer!
  * http://www.dustindiaz.com/basement/ify.html
  * Eg:
  * Ify.clean('your tweet text');
  */
Ify = {
  link: function(tweet) {
    return tweet.replace(/\b(((https*\:\/\/)|www\.)[^\"\']+?)(([!?,.\)]+)?(\s|$))/g, function(link, m1, m2, m3, m4) {
      var http = m2.match(/w/) ? 'http://' : '';
      return '<a class="twtr-hyperlink" target="_blank" href="' + http + m1 + '">' + ((m1.length > 25) ? m1.substr(0, 24) + '...' : m1) + '</a>' + m4;
    });
  },

  at: function(tweet) {
    return tweet.replace(/\B[@＠]([a-zA-Z0-9_]{1,20})/g, function(m, username) {
      return '<a target="_blank" class="twtr-atreply" href="http://twitter.com/intent/user?screen_name=' + username + '">@' + username + '</a>';
    });
  },

  list: function(tweet) {
    return tweet.replace(/\B[@＠]([a-zA-Z0-9_]{1,20}\/\w+)/g, function(m, userlist) {
      return '<a target="_blank" class="twtr-atreply" href="http://twitter.com/' + userlist + '">@' + userlist + '</a>';
    });
  },

  hash: function(tweet) {
    return tweet.replace(/(^|\s+)#(\w+)/gi, function(m, before, hash) {
      return before + '<a target="_blank" class="twtr-hashtag" href="http://twitter.com/search?q=%23' + hash + '">#' + hash + '</a>';
    });
  },

  clean: function(tweet) {
    return this.hash(this.at(this.list(this.link(tweet))));
  }
} // ify