function jchwebdev_rant_quote_question( $content ) {
    global $post;
    $pattern = '/rcq/';
    $replacement = '<span class="interview initials">RC</span>$1';

    if ($post->post_status == 'draft') {
            return preg_replace($pattern, $replacement, $content);
    }
    else
return $content;
}
add_filter( 'content_save_pre' , 'jchwebdev_rant_quote_question' , 10, 1);