$this->expectExceptionMessageRegExp('/Invalid date format/');
self::$linkFilter->filter(LegacyLinkFilter::$FILTER_DAY, 'Rainy day, dream away');
$this->expectExceptionMessageRegExp('/Invalid date format/');
self::$linkFilter->filter(LegacyLinkFilter::$FILTER_DAY, 'Rainy day, dream away');