PasswordPolicy class - password_policy library

PasswordPolicy class

Password validation policy

Configure password requirements for registration.

const PasswordPolicy policy = PasswordPolicy(
  minLength: 8,
  requireUppercase: true,
  requireLowercase: true,
  requireNumber: true,
  requireSpecialChar: true,
);

String? error = policy.validate(password);

Constructors

PasswordPolicy({int minLength = 6, int maxLength = 128, bool requireUppercase = false, bool requireLowercase = false, bool requireNumber = false, bool requireSpecialChar = false}): const

Properties

description → String: Get a human-readable description of the policy
no setter
hashCode → int: The hash code for this object.
no setterinherited
maxLength → int: Maximum password length
final
minLength → int: Minimum password length
final
requireLowercase → bool: Require at least one lowercase letter
final
requireNumber → bool: Require at least one number
final
requireSpecialChar → bool: Require at least one special character
final
requireUppercase → bool: Require at least one uppercase letter
final
runtimeType → Type: A representation of the runtime type of the object.
no setterinherited

Methods

isValid(String password) → bool: Check if a password is valid
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 password) → String?: Validate a password against this policy

Operators

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

Constants

medium → const PasswordPolicy: Medium password policy preset
strong → const PasswordPolicy: Strong password policy preset
weak → const PasswordPolicy: Weak password policy preset (just length)