protected function matchConnectLine($line)
{
$matches = array();
// expected format "Package: Version Stability[,Version Stability][,Version Stability]"
$pattern = '/([a-zA-Z0-9-_]+):\\s([0-9.]+)\\s([a-z]+),?([0-9.]+)?\\s?([a-z]+)?,?([0-9.]+)?\\s?([a-z]+)?/';
preg_match($pattern, $line, $matches);
return $matches;
}