Hoe get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get get
PHP/REGEX: krijg een string binnen de knieën