A valid date string formatted according to these rules:
MM/DD/YYYY or MM/DD/YY
Any character can be used as a separator; for example, MM~DD~YY is valid.
If the string contains special characters (see MaxL Syntax Notes), it must be enclosed in single or double quotation marks.
string (see MaxL Syntax Notes)
'04/16/03' '04.16.2003' 04_16_2003