Australian drivers’ licence: \b[A-Z0-9][0-9]{5,7}\b

Australian passport: \b[A-Z][0-9]{7}\b

Australian tax file number: \b[0-9]{3}( ?)[0-9]{3}\1[0-9]{2,3}\b

Exclude

1 exclude “Automatic reply:” “Undeliverable:” “Accepted:”