Brazilian national health card number, fifteen digits opening on a 1, 2, 7, 8 or 9 as the issuing rule requires. Written in groups of four on the card itself, and the separators are optional because the systems that export it often strip them.
Label: BR_CNS
(?<!\w)[12789]\d{2}[\s.-]?\d{4}[\s.-]?\d{4}[\s.-]?\d{4}(?!\w)O CNS do paciente e 123 4567 8901 2345 no cadastro. → 123 4567 8901 2345Anote 898001234567890 na ficha. → 898001234567890O numero 323 4567 8901 2345 nao comeca certoCodigo 123 4567 8901Tags: br, health, government-id