German health insurance number, one letter then nine digits, the lifelong identifier printed on the electronic health card. The single leading letter is thin protection, so this is kept out of the general German group and offered to health configurations only.
Label: DE_HEALTH_INSURANCE
(?<!\w)[A-Z]\d{9}(?!\w)
Die Karte zeigt A123456789 als Nummer. → A123456789Versichert unter Z987654321 seit Januar. → Z987654321Die Nummer 123456789 hat keinen BuchstabenReferenz A12345678Tags: de, health, government-id