function findSubparts() {
	$matches = array();
	preg_match_all(
		'/<!-- *(###)([A-Z]([A-Z0-9_]*[A-Z0-9])?)(###)/',
		$templateCode,
		$matches
	);
	return array_unique($matches[2]);
}

function findMarkers() {
	$matches = array();
	preg_match_all(
		'/(###)(([A-Z0-9_]*[A-Z0-9])?)(###)/', $templateCode, $matches
	);
	$markerNames = array_unique($matches[2]);
	return '#'.implode('#', $markerNames).'#';
}