mobile-redirect.js

// ==UserScript==
// @name        Mobile Redirect
// @version     1.0
// @description general purpose mobile->desktop redirect
// @author      auxchar
// @match       *://*/*
// @grant       none
// ==/UserScript==


function redirect_mobile(matcher){
    var match = matcher.exec(window.location);
    if(match != null) {
        var uri = match[1] + match[2];
        window.location.replace(uri);
    }
}

var standard_matcher = /(https?:\/\/)(?:mobile|m)\.(.*)/;
redirect_mobile(standard_matcher);

//wikipedia has en.m.whatever for it's schema, which requires its own regex

var wikipedia_matcher = /(https?:\/\/en\.)m\.(.*)/
redirect_mobile(wikipedia_matcher);