AlphanumericValidator class

Checks whether a given string only comports alphanumerical characters.

Inheritance

• Object
• Validator<String>
• ValidatorWithStaticError<String>
• AlphanumericValidator

Constructors

AlphanumericValidator(String error)

const

Properties

error → String

final, inherited

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

innerValidate(String? value) → bool

Returns true or false depending on the validation process. This method is then used by the ValidatorWithStaticError.validate method to return a static error if the result is false.

override

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?

This method should return null if the field is valid, a string corresponding to the error otherwise.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited