Get query string by name

querystring-by-name.js

// HELPERS (all kinds and types)
// Function for getting request query string params
// Source: http://stackoverflow.com/questions/901115/get-querystring-values-with-jquery
function getQueryStringByName(name) {
    name = name.replace(/[\[]/, "\\\[").replace(/[\]]/, "\\\]");
    var regex = new RegExp("[\\?&]" + name + "=([^&#]*)");
    var results = regex.exec(window.location.href);
    if (results == null)
        return null;
    else
        return decodeURIComponent(results[1].replace(/\+/g, " "));
}