ValidationRule class abstract
Abstract base class for all validation rules.
Consumers can extend this to build their own reusable rule classes,
then inject them via Validator.addRule (requires importing validator.dart).
- Implementers
- AlphaNumericRule
- AlphaRule
- Base64Rule
- ContainsRule
- CountryCodeRule
- CreditCardRule
- CustomRule
- DateRule
- EmailRule
- EndsWithRule
- EqualsRule
- HexColorRule
- InListRule
- IpAddressRule
- JsonRule
- LowercaseRule
- MacAddressRule
- MatchRule
- MaxLengthRule
- MinLengthRule
- NoSpecialCharsRule
- NotEqualsRule
- NotInListRule
- NumericRule
- PasswordRule
- PhoneRule
- RegexRule
- RequiredRule
- SlugRule
- StartsWithRule
- UppercaseRule
- UrlRule
- UuidRule
Constructors
- ValidationRule()
-
Default const constructor.
const
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
-
validate(
String? value) → String? -
Validates the
valueand returns an error string if it fails, or null if it passes.
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited