How to exclude specific tags from your search results

The WordPress default search includes all posts from all categories so if you need to exclude specific categories from your search results. you can modify the query with pre_get_posts in just one minute using this code snippet.

Steps to exclude specific categories from your search results:

1. Open the WordPress admin panel then go to Appearance > Theme Editor
2. Open theme functions.php file, if you work localhost open the same file using any code editor IDE
3. Add the following code at the bottom of the file.
4. Save the changes.

function zytheme_exclude_tags_search_results( $query ) {
    if ( $query->is_main_query() && $query->is_search() && ! is_admin() ) {
        $query->set( 'tag','-2, -4' );// Tags ID Here
    }
}
add_action( 'pre_get_posts', 'zytheme_exclude_tags_search_results' );

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