MaskedTextBox
1. regles
- 0: required digit
- 9: optional digit
- A: required alphanumeric
- a: optional alphanumeric
- #: optional digit or space, or plus or minus symbol
- L: required letter
- ?: optional letter
- . (dot): decimal place holder (as defined by your culture)
- , (comma): thousands place holder (as defined by your culture)
- $: currency symbol (as defined by your culture)
- : (colon): separate time values (as defined by your culture)
- /: separate date values (as defined by your culture)
- <: force to lower case
- >: force to upper case