redirect_ms_doc_to_english.js

// ==UserScript==
// @name         Redirect MS documentation to English from Polish
// @namespace    https://docs.microsoft.com/
// @description  Redirect MS documentation to English from Polish
// @include      https://docs.microsoft.com/pl-pl/*
// @version      0.2
// @author       Dominik Roszkowski
// @match        https://docs.microsoft.com/pl-pl/*
// @grant        none
// ==/UserScript==

(function() {
    var locale = "pl-pl";
    var current_location = window.location.href ;
    if (current_location.indexOf(locale) !== -1){
        var new_location = current_location.replace(locale, "en-us");
        window.location.replace(new_location);
    }
})();