Q673

{"type":"item","id":"Q673","labels":{"en":{"language":"en","value":"format constraint"}},"descriptions":{"en":{"language":"en","value":"type of constraint for Gratisdata properties: used to specify that the value for this property has to correspond to a given pattern"}},"aliases":{"en":[{"language":"en","value":"regex constraint"},{"language":"en","value":"format"}]},"claims":[],"sitelinks":[]}