password static method
Needs 8+ chars with upper, lower, digit and symbol. UValidators.password(weakMessage: "Too weak")
Implementation
static FormFieldValidator<String> password({required String weakMessage, String? requiredMessage, bool isRequired = true}) => (String? value) {
if (isRequired && (value == null || value.isEmpty)) return requiredMessage ?? U.s.required;
if (value != null && value.isNotEmpty && !value.isStrongPassword) return weakMessage;
return null;
};