piighost/dk-cpr

Danish CPR number: the birth date as day, month and year, a dash, then four digits whose last one gives the sex. The dash is mandatory and the date is validated, which is what keeps it apart from a ten digit run.

Label: DK_CPR

Pattern

(?<!\w)(?:0[1-9]|[12]\d|3[01])(?:0[1-9]|1[0-2])\d{2}-\d{4}(?!\w)

Must be caught

• Patienten er registreret som 010190-1234 i systemet. → 010190-1234
• Hun står opført med 300785-2345 på kortet. → 300785-2345

Must be left alone

• Koden 321390-1234 findes ikke
• Reference 0101901234

Tags: dk, government-id, identity, health

Download the detector as TOML

Used by

• piighost/dk — Denmark: phone and the CPR number, which doubles as the health identifier.
• piighost/health — Health identifiers across nine countries: the Danish CPR number, the British NHS number, the French social security…

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