0

Digit, required. This element will accept any single digit between 0 and 9.

9

Digit or space, optional.

#

Digit or space, optional. If this position is blank in the mask, it will be rendered as a space in the Text property. Plus (+) and minus (-) signs are allowed.

L

Letter, required. Restricts input to the ASCII letters a-z and A-Z. This mask element is equivalent to [a-zA-Z] in regular expressions.

?

Letter, optional. Restricts input to the ASCII letters a-z and A-Z. This mask element is equivalent to [a-zA-Z]? in regular expressions.

&

Character, required.

C

Character, optional. Any non-control character.

A

Alphanumeric, optional.

a

Alphanumeric, optional.

.

Decimal placeholder. The actual display character used will be the decimal symbol appropriate to the format provider.

,

Thousands placeholder. The actual display character used will be the thousands placeholder appropriate to the format provider.

:

Time separator. The actual display character used will be the time symbol appropriate to the format provider.

/

Date separator. The actual display character used will be the date symbol appropriate to the format provider.

$

Currency symbol. The actual character displayed will be the currency symbol appropriate to the format provider.

<

Shift down. Converts all characters that follow to lowercase.

>

Shift up. Converts all characters that follow to uppercase.

|

Disable a previous shift up or shift down.

\

Escape. Escapes a mask character, turning it into a literal. "\\" is the escape sequence for a backslash.

All other characters

Literals. All non-mask elements will appear as themselves within C1MaskedTextBox. Literals always occupy a static position in the mask at run time, and cannot be moved or deleted by the user.