Redirect WordPress Registration page to a Custom Registration Page

redirect-wordpress-registration-page.php

<?php
add_filter('register','hjs_register_url');
function hjs_register_url($link){
    /* Change wp registration url  */
    return str_replace(site_url('wp-login.php?action=register', 'login'),site_url('register', 'login'),$link);
}

add_filter('site_url', 'hjs_fix_register_urls', 10, 3);
function hjs_fix_register_urls($url, $path, $orig_scheme){
    /*
        Site URL hack to overwrite register url     
        http://en.bainternet.info/2012/wordpress-easy-login-url-with-no-htaccess
    */
    if ($orig_scheme !== 'login')
        return $url;

    if ($path == 'wp-login.php?action=register')
        return site_url('register', 'login');

    return $url;
}