amazon-force-de.js

// ==UserScript==
// @name        Amazon Prevent language switch away from German
// @description Some amazon urls will change your language settings. Only use german versions
// @namespace   https://sahlbach.com/misc/greasemonkey/
// @match       https://*.amazon.de/-/*/dp/*
// @exclude     https://*.amazon.de/-/de/dp/*
// @run-at      document-start
// @version     1
// @grant       none
// @icon        https://www.amazon.com/favicon.ico
// ==/UserScript==

var current_url = document.URL;
var new_url = current_url.replace(/\.amazon\.de\/-\/..\/dp\//, '.amazon.de/-/de/dp/')
console.log("replace url to "+new_url)
location.replace(new_url);