Validation Types and Examples

  1. Fields that cannot be left blank: Allows users to fill in certain fields.
    • Error Message: “This field cannot be left blank.”
  2. Format Controls: Checks for certain formats such as e-mail, phone number, etc.
    • Error Message: “Please enter a valid e-mail address.”
  3. Character Count Control: Sets minimum and maximum character limits.
    • Error Message: “Your password must be at least 8 characters.”
  4. Numeric Controls: Enables the entry of numbers within a certain range.
    • Error Message: “The age value must be between 18 and 60.”
  5. Conditions Between Fields: Checks that two fields match each other.
    • Error Message: “Passwords do not match.”