FluentValidation 9.3.0-preview2

A validation library for .NET that uses a fluent interface to construct strongly-typed validation rules.

Showing the top 20 packages that depend on FluentValidation.

Packages Downloads
AgileLabs.Testing.Web
Package Description
73
FluentValidation.AspNetCore
AAspNetCore integration for FluentValidation
66
FluentValidation.AspNetCore
AspNetCore integration for FluentValidation
70
FluentValidation.AspNetCore
AspNetCore integration for FluentValidation
3,693
FluentValidation.DependencyInjectionExtensions
Dependency injection extensions for FluentValidation
66
FluentValidation.DependencyInjectionExtensions
Dependency injection extensions for FluentValidation
67
FluentValidation.DependencyInjectionExtensions
Dependency injection extensions for FluentValidation
68
FluentValidation.DependencyInjectionExtensions
Dependency injection extensions for FluentValidation
69
FluentValidation.DependencyInjectionExtensions
Dependency injection extensions for FluentValidation
71
FluentValidation.DependencyInjectionExtensions
Dependency injection extensions for FluentValidation
72
FluentValidation.DependencyInjectionExtensions
Dependency injection extensions for FluentValidation
73
FluentValidation.DependencyInjectionExtensions
Dependency injection extensions for FluentValidation
79
FluentValidation.DependencyInjectionExtensions
Dependency injection extensions for FluentValidation
995
FluentValidation.DependencyInjectionExtensions
Dependency injection extensions for FluentValidation
3,669
FluentValidation.DependencyInjectionExtensions
Dependency injection extensions for FluentValidation
14,163
FluentValidation.DependencyInjectionExtensions
Dependenecy injection extensions for FluentValidation
67

FluentValidation 9 is a major release. Please read the upgrade notes at https://docs.fluentvalidation.net/en/latest/upgrading-to-9.html Changes in 9.3.0: * Improvements to LanguageManager's lazy loading of resources. * Updates to Persian translations. * Added Bengali translations. * Deprecate IStringSource and its implementors. Use delegates instead. Changes in 9.2.0: * Add inheritance validator * Performance improvements Changes in 9.1.3: * Fix an issue with IncludeRulesNotInRuleSet not working correctly Changes in 9.1.2: * Make the ValidationContext.ThrowOnFailures getter public. Changes in 9.1.1: * Fix an incorrect deprecation message. Changes in 9.1: * Make ruleset separator character splitting consistent * Transform now works with RuleForEach * Introduce constants for rulesets * Resolve issue when attempting to use asynchronous conditions in a synchornous validaiton run * Added asynchronous versions of the TestHelper methods. * Introduce CascadeMode.Stop and deprecate CascadeMode.StopOnFirstFailure to resolve confusion/abiguity about setting the cascade mode at validator-level (#1437) * RaiseValidationException can be overridden to customize the exception throwing process * Add new Validate extension methods that allow options to be configured using a strategy Changes in 9.0.0: * Removed support for netstandard1.1 and netstandard1.6 * Removed support for end-of-life .NET Core versions (2.2 and 3.0). LTS versions are supported (2.1 and 3.1) * Default email validation mode now uses the same logic as ASP.NET Core. Previous regex behaviour is opt-in. * TestHelper advanced mode now has more features (see https://docs.fluentvalidation.net/en/latest/testing.html#advanced-test-extensions) * Equal/NotEqual now perform ordinal comparison when used with string properties * Severity can now be set dynamically with a callback * Removed WithLocalizedMessage (WithMessage that takes a callback is the replacement) * Removed ResourceName from ValidationFailure * Removed ResourceName and ResourceType from IStringSource. * Removed SetCollectionValidator which was deprecated in 8.0 * Additional overload of OnAnyFailure that can receive a collection of validation failures * Remove DisplayAttribute integration and reference to DataAnnotations. * ComparisonProperty placeholder is now formatted like PropertyName * Translations of default error messages into other languages are now lazily-loaded * Added Slovenian translations of default error messages. * Added Icelandic translations of default error messages. * Added WithMessageArgument to the test helpers. * Add additional overload of SetValidator that takes a Func that receives the current property value. * ASP.NET Core: FluentValidationModelValidatorProvider and FluentValidationModelValidator are now public. * Work around a bug in ASP.NET Core's integration testing components that can cause ConfigureServices to run multiple times. * SourceLink integration. * {CollectionIndex} placeholder can now be accessed in child validators. * Additional ValidationException constructor that allows using both the default message and a custom one together. * ScalePrecisionValidator algorithm now matches SQL Server. * Additional overload of the When methods that contain the validation context. * Automatically scanned types can be excluded when calling RegisterValidatorsFromAssemblyContaining in ASP.NET Core projects. * New AutomaticValidationEnabled property for use in ASP.NET Core projects (defaults to true). Full release notes can be found at https://github.com/FluentValidation/FluentValidation/blob/master/Changelog.txt

.NET Framework 4.6.1

  • No dependencies.

.NET Standard 2.0

  • No dependencies.

Version Downloads Last updated
12.1.1 37 12/04/2025
12.1.0 37 11/07/2025
12.0.0 46 05/09/2025
12.0.0-preview1 54 01/02/2025
11.12.0 28 11/06/2025
11.11.0 67 11/27/2024
11.10.0 67 11/26/2024
11.9.2 54 12/03/2024
11.9.1 689 05/03/2024
11.9.0 62 04/20/2024
11.8.1 82 05/10/2024
11.8.0 63 05/22/2024
11.7.1 50 12/05/2024
11.7.0 49 05/15/2024
11.6.0 54 11/28/2024
11.5.2 60 06/22/2023
11.5.1 62 04/11/2023
11.5.0 58 05/18/2024
11.4.0 58 05/02/2024
11.3.0 49 12/05/2024
11.2.2 13,679 11/03/2022
11.2.1 51 12/04/2024
11.2.0 59 12/11/2024
11.1.1 46 11/16/2024
11.1.0 3,633 07/25/2022
11.0.3 55 11/14/2024
11.0.2 52 12/06/2024
11.0.1 56 12/04/2024
11.0.0 57 05/06/2024
10.3.1 55 11/30/2024
10.2.1 56 05/11/2022
10.2.0 57 12/05/2024
9.5.4 56 12/04/2024
9.4.0 63 05/26/2024
9.3.0-preview3 58 05/25/2024
9.3.0-preview2 54 05/25/2024
9.2.2 49 06/01/2024
9.2.1 55 01/04/2025
9.1.2 51 12/03/2024
9.1.1 53 12/02/2024
9.1.0 48 12/05/2024
9.0.1 51 12/04/2024
9.0.0-preview5 63 05/25/2024
9.0.0-preview3 51 05/25/2024
9.0.0-preview2 52 05/25/2024
9.0.0-preview1 57 05/25/2024
8.6.3 59 12/02/2024
8.6.2 52 11/04/2022
8.6.1 47 11/29/2024
8.5.0 58 05/16/2024
8.5.0-preview5 49 05/25/2024
8.5.0-preview3 50 05/25/2024
8.5.0-preview1 60 05/25/2024
8.3.0 52 12/06/2024
8.2.1 59 05/10/2022
8.1.2 58 12/10/2024
8.0.100 59 11/16/2024
8.0.0-rc1 58 11/16/2024
8.0.0-preview3 55 05/25/2024
7.6.104 60 05/23/2024
7.6.0-preview1 65 05/25/2024
7.5.1 55 12/04/2024
7.4.0 57 05/15/2024
7.3.2 53 05/30/2024
7.3.1 52 12/04/2024
7.3.0-beta2 49 11/28/2024
7.2.1 47 05/23/2024
7.2.0 47 12/04/2024
7.2.0-beta2 50 11/29/2024
7.1.0-beta1 53 12/12/2024
7.0.1 62 05/11/2022
7.0.0 45 12/07/2024
7.0.0-beta2 40 11/28/2024
7.0.0-beta1 54 11/17/2024
6.4.1 60 05/31/2024
6.4.1-beta1 61 12/06/2024
6.4.0-rc2 49 12/03/2024
6.4.0-rc1 57 11/24/2024
6.4.0-beta8 51 12/04/2024
6.4.0-beta7 60 11/16/2024
6.4.0-beta4 62 11/28/2024
6.4.0-beta3 64 11/14/2024
6.4.0-beta1 65 12/10/2024
6.2.1-beta1 46 12/04/2024
6.1.0 46 05/14/2024
6.0.1 56 11/14/2024
6.0.0 60 11/17/2024
5.6.2 45 05/13/2024
5.6.1 56 05/03/2024
5.3.0 60 12/11/2024
4.0.0.1 55 05/20/2024
3.0.0.1 55 05/23/2024
3.0.0 46 01/03/2025
2.0.0 65 05/08/2022