RegexRule class

Validates that a field's value matches a given regular expression.

Implemented types
Annotations

Constructors

RegexRule.new(RegExp regex, {required String message})
Creates a regex validation rule. regex is the pattern the value must match. message is the error message if the value does not match.
const

Properties

hashCode → int
The hash code for this object.
no setterinherited
message → String
final
regex → RegExp
final
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, {BuildContext? context}) → String?
Validates the given value. Returns an error message String if validation fails, otherwise returns `null].
override

Operators

operator ==(Object other) → bool
The equality operator.
inherited