Link Genesis post title directly to content when using the Link post format

functions.php

add_filter( 'genesis_post_title_output', 'sp_link_post_format_title' );
/**
 * If the post uses the “Link” post format and has a URL in the content,
 * link the title directly to that URL instead of to the post itself.
 *
 * @param string $title_html The original title HTML.
 * @return string The updated HTML.
 */
function sp_link_post_format_title( $title_html ) {
	if ( get_post_format() !== 'link' ) {
		return $title_html;
	}

	$url_in_content = get_url_in_content( get_the_content() );

	if ( $url_in_content ) {
		return preg_replace('/<a(.*)href="([^"]*)"(.*)>/','<a$1href="' . $url_in_content . '"$3>', $title_html );
	}

	return $title_html;
}