A user script to rewrite links to imgur.com on https://www.reddit.com to use HTTPS

reddit-imgur-https.user.js

// ==UserScript==
// @name HTTPS for imgur.com on reddit.com
// @description Rewrite links to use HTTPS for imgur.com on reddit.com.
// @author Matthew Simoneau
// @namespace http://www.matthewsim.com/
// @version 0.1
// @include https://www.reddit.com/*
// ==/UserScript==

var a = document.getElementsByTagName('a');
for (var i = 0; i < a.length; i++) {
    var p = /^http:\/\/((:?[im]\.)?imgur\.com\/.*)$/;
    var res = p.exec(a[i].href);
    if (res != null) {
        a[i].href = 'https://' + res[1];
    }
}