Denmark (DK)¶
National-ID patterns loaded when you pass countries=["DK"] (or "all"). Universal patterns always stay.
This is a detector, not a legal opinion
id-extract matches the shape of these numbers. A hit is not proof that the value was issued, is still valid, or that the cited statute applies to your document. Checksums, where present, only test the extra digit.
CPR_DK — CPR-nummer¶
The Danish civil-registration number. Ten digits with a hyphen: DDMMYY-XXXX.
| Package type | CPR_DK |
| Shape this package looks for | 6 digits + hyphen + 4 digits |
| Checksum | none |
| Example (synthetic) | 010180-1234 |
Official sources
The example values are synthetic or well-known public test numbers. Do not treat them as issued identifiers.