<?php
if ( ! defined( 'ABSPATH' ) ) {
    exit; // Exit if accessed directly
}
if(isset($register->url)) : ?>
    <p>
        <?php esc_html_e('To register for this event please visit the following URL:', 'wp-event-manager'); ?> 
        <a href="<?php echo esc_url($register->url); ?>" target="_blank" rel="nofollow">
            <?php echo esc_url($register->url); ?> &rarr;
        </a>
    </p>
<?php endif; ?>