Japanese individual number, twelve digits in three groups of four. The separator is required rather than optional: twelve bare digits are also a phone number and a card number fragment, and the grouped form is how the number is printed on the notification card.
Label: JP_MY_NUMBER
(?<!\w)\d{4}[\s-]\d{4}[\s-]\d{4}(?!\w)(?![\s.-]?\d)My Number 1234 5678 9012 is on the form. → 1234 5678 9012Enter 9876-5432-1098 in the tax field. → 9876-5432-1098The number 123456789012 has no groupsReference 1234 5678 901Tags: jp, government-id, identity