Fimfiction.net Group Updates Filter

// ==UserScript==
// @name           Fimfiction.net Group Updates Filter
// @namespace      http://www.fimfiction.net/user/Flutterpony
// @description    Group activity updates filter
// @include        http*://www.fimfiction.net/dashboard
// ==/UserScript==

var TAG = "TR";
var PATT = /The Writer's Group/;

// Hide all elements with inner HTML containing the regex.
var elements = document.getElementsByTagName(TAG);
for (var i = 0; i < elements.length; i++) {
    if(elements[i].innerHTML.search(PATT) > -1){
        elements[i].style.display = "none";
    }
}