wpmem_ut_display_exclude

add_filter( 'wpmem_ut_display_exclude', 'my_wpmem_ut_excluded_terms' );
function my_wpmem_ut_excluded_terms( $excludes ) {
    /*
     * Add any specific strings that would appear in results
     * you want to be excluded from displayed results.
     */
    $excludes[] = '/wp-content/uploads/'; // This would exclude any result with "/wp-content/uploads/" in the URL.
    $excludes[] = '?action=register'; // This would exclude anything with a query string beginning with "action=register".
    
    // Return the array of strings to exclude.
    return $excludes;
}