(function(module) {
    "use strict";

    var twitchtv = {},
        embed = '<iframe frameborder="0" scrolling="no" src="http://twitch.tv/$1/chat?popout=" height="500" width="350"></iframe>';


    twitchtv.parse = function(postContent, callback) {
        postContent = postContent.replace(/<a href="(?:http?:\/\/)?(?:twitch\.tv)\/?(.+)">.+<\/a>/g, embed);
        callback(null, postContent);
    };

    module.exports = twitchtv;
}(module));

@@ -303,18 +303,14 @@
 %22(?:
-http?:%5C/%5C/
+www%5C.?
 )?(?

Replace Fail