How To Remove Header Tags and Their Content in WordPress Excerpt (ok)

https://bacsoftwareconsulting.com/blog/index.php/wordpress-cat/how-to-remove-header-tags-and-their-content-in-wordpress-excerpt/

function bac_wp_strip_header_tags( $text ) {
    $raw_excerpt = $text;
    if ( '' == $text ) {
        //Retrieve the post content.
        $text = get_the_content(''); 
        //remove shortcode tags from the given content.
        $text = strip_shortcodes( $text );
        $text = apply_filters('the_content', $text);
        $text = str_replace(']]>', ']]>', $text);
     
        //Regular expression that strips the header tags and their content.
        $regex = '#(<h([1-6])[^>]*>)\s?(.*)?\s?(<\/h\2>)#';
        $text = preg_replace($regex,'', $text);
     
        /***Change the excerpt word count.***/
        $excerpt_word_count = 55; //This is WP default.
        $excerpt_length = apply_filters('excerpt_length', $excerpt_word_count);
         
        /*** Change the excerpt ending.***/
        $excerpt_end = '[...]'; //This is the WP default.
        $excerpt_more = apply_filters('excerpt_more', ' ' . $excerpt_end);
         
        $excerpt = wp_trim_words( $text, $excerpt_length, $excerpt_more );
        }
        return apply_filters('wp_trim_excerpt', $excerpt, $raw_excerpt);
}
add_filter( 'get_the_excerpt', 'bac_wp_strip_header_tags', 5);
?>