RegexValidator class

A validator that checks if a string matches a regular expression pattern.

RegexValidator provides flexible pattern-based validation using regular expressions. Useful for validating formats like phone numbers, postal codes, etc.

Example:

RegexValidator(
  RegExp(r'^\d{3}-\d{3}-\d{4}$'),
  message: 'Must be in format: XXX-XXX-XXXX',
)
Inheritance

Constructors

RegexValidator(RegExp pattern, {String? message})
Creates a RegexValidator with the specified pattern.
const

Properties

hashCode → int
The hash code for this object.
no setteroverride
message → String?
Custom error message, or null to use default localized message.
final
pattern → RegExp
The regular expression pattern to match against.
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

combine(Validator<String> other) → Validator<String>
Combines this validator with another validator using AND logic.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
shouldRevalidate(FormKey source) → bool
Determines if this validator should be re-run when the specified form key changes.
inherited
toString() → String
A string representation of this object.
inherited
validate(BuildContext context, String? value, FormValidationMode state) → FutureOr<ValidationResult?>
Validates the given value and returns a validation result.
override

Operators

operator &(Validator<String> other) → Validator<String>
Combines this validator with another using AND logic (alias for combine).
inherited
operator +(Validator<String> other) → Validator<String>
Combines this validator with another using AND logic (alias for combine).
inherited
operator ==(Object other) → bool
The equality operator.
override
operator unary-() → Validator<String>
Negates this validator's result (alias for ~ operator).
inherited
operator |(Validator<String> other) → Validator<String>
Combines this validator with another using OR logic.
inherited
operator ~() → Validator<String>
Negates this validator's result.
inherited