Examples of date field format specifications

This specification...	...matches this date on the invoice
YYYYMMDD	2009-05-08
DDMMYYYY	05-08-2009
DDMMYY	08-05-09
DMY	8-5-9, 08-05-09, or 8-5-09
DDMMMYYYY	24-Oct-2009
DX[.]MMMMYYYY	7. May 2009