Swiss AHV social insurance number: the 756 country code of the EAN standard, then three dotted groups. It is also the insured person's health number, so it turns up in medical correspondence as well as payroll.
Label: CH_AHV
(?<!\w)756\.\d{4}\.\d{4}\.\d{2}(?!\w)
Die Nummer 756.1234.5678.97 steht auf der Karte. → 756.1234.5678.97Versichert unter 756.9217.0769.85 seit 2015. → 756.9217.0769.85Die Nummer 757.1234.5678.97 gibt es nichtReferenz 756.1234.5678Tags: ch, government-id, identity, health