Enter the mask to use for validating data as the user types. You can use a combination of the following characters for the ...

Enter the mask to use for validating data as the user types.
You can use a combination of the following characters for the mask:
0 - Digit
9 - Digit or space
# - Digit, sign, or space
L - Letter
l - Letter or space
A - Alphanumeric
a - Alphanumeric or space
< - Converts characters that follow to lowercase
> - Converts characters that follow to uppercase
| - Disables case conversion
\ - Escapes any character, turning it into a literal
All others - Literals