$ 0 0 This documentation is for the 4.0 release of FluentValidation.Creating a Validator ClassChaining ValidatorsValidation ResultsThrowing ExceptionsRe-using Validators on Complex PropertiesRe-using Validators on Nested CollectionsRule SetsBuilt in ValidatorsNotNull ValidatorNotEmpty ValidatorNotEqual ValidatorEqual ValidatorLength ValidatorLess Than ValidatorLess Than Or Equal ValidatorGreater Than ValidatorGreaterThan Or Equal ValidatorPredicate Validator (aka Must)RegEx ValidatorEmail ValidatorConfiguring/Customising a validatorOverriding the default error messageOverriding the default property nameSpecifying a condition with When/UnlessSpecifying the cascade modeCustom ValidatorsWriting a custom Property ValidatorUsing AbstractValidator.CustomLocalizationTesting ValidatorsIntegrating with ASP.NET MVCUsing a Validator Factory with an IoC container