Search Exclude Tag

// Search Exclude Tag / Kiri Vadivelu / 2026

function exclude_tags_from_search( $query ) {

    if ( $query->is_search && ! is_admin() ) {

        $query->set( 'tag__not_in', array( 8, 9 ) ); // Replace with your tag IDs

    }

    return $query;

}

add_filter( 'pre_get_posts', 'exclude_tags_from_search' );