Google Search - "Quote" link

google_search_quote_link.user.js

// ==UserScript==
// @name           Google Search - "Quote" link
// @namespace      http://d.hatena.ne.jp/blooo/
// @description    Add a "Quote/Dequote" link to Google search
// @include        https://*.google.tld/search?*
// @version        1.02.20170222
// @grant          GM_addStyle
// ==/UserScript==

(function() {
    var baseurl = document.location.href;
	baseurl = baseurl.replace(/&$/, '');
   	console.log(baseurl);
   	var quoted_url = baseurl.replace(/([&|?])q=([^&]+)&?/, '$1');
   	var current_query = (RegExp.$2) ? RegExp.$2 : '';

    var word;
   	if(current_query.match(/^%22(.*)%22$/))
   	{
   		//already quoted
   		current_query = RegExp.$1;
   		quoted_url = quoted_url.replace(/&/g, '&') + '&q=' + current_query;
   		word = "Dequote";
   	}
   	else
   	{
	   	quoted_url = quoted_url.replace(/&/g, '&') + '&q="' + current_query + '"';
	   	word="Quote";
	}

   	var quoted_link = '<a href="' + quoted_url + '">' + word + '</a>';
    var html = '<span id="links">' + quoted_link + '</span>';
    GM_addStyle("div[id=links] { margin:2px 10px 0 0px; display:block; }");
    var node = document.getElementById('resultStats') || document.querySelectorAll('#subform_ctrl > div')[2] ||
        document.querySelector('#mBMHK') || document.querySelector('#result-stats');
    node.innerHTML = node.innerHTML + html;
//    with(document.getElementById('ssb').firstChild) { innerHTML =  innerHTML + html.toXMLString() };
})();