Csharp control validating interracial dating between blackmen and whitewomen
I receive the error because the format of the input mask didn’t match the regex on the model.
So, as our user starts entering digits, the input might apply parentheses and hyphens automatically.
This gives our user a hint as to what we’re expecting him or her to enter.
Input masks are especially helpful for types like phone numbers that have a number of possible formats.
However, adding the validation rules to the model using Data Annotations will help us filter out garbage input.
Back in the User class, let’s see what happens when we add the On mobile browsers, this will bring up a special telephone number widget.