WooCommerce: Exclude Category from Search Results

/**
 * @snippet       Exclude Cat @ WooCommerce Product Search Results
 * @how-to        Get tutoraspire.com FREE
 * @author        Tutor Aspire
 * @compatible    WooCommerce 6
 * @donate $9     https://www.tutoraspire.com
 */

add_action( 'pre_get_posts', 'tutoraspire_exclude_category_woocommerce_search' );

function tutoraspire_exclude_category_woocommerce_search( $q ) {
   if ( ! $q->is_main_query() ) return;
   if ( ! $q->is_search() ) return;
   if ( ! is_admin() ) {
      $q->set( 'tax_query', array( array(
         'taxonomy' => 'product_cat',
         'field' => 'slug',
         'terms' => array( 'courses' ), // change 'courses' with your cat slug/s
         'operator' => 'NOT IN'
      )));
   }
}