StringRule class

A validation rule that checks if a given value is a valid string.

Inheritance

Constructors

StringRule()

Properties

contextValues → Map<String, dynamic>?
Provide the values from the data to the rule, null if none
no setterinherited
hashCode → int
The hash code for this object.
no setterinherited
name → String
The name of the validation rule. This should be a unique identifier for the rule.
no setteroverride
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

message(dynamic value, [List<String>? options]) → String
The message that will be displayed if the validation fails. This message should be user-friendly and explain why the validation failed.
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(dynamic value, [List<String>? options]) → bool
Validates the given value against the rule.
override

Operators

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