FluentValidation 9.1.1 The ID prefix of this package has been reserved for one of the owners of this package by NuGet.org.

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

There is a newer version of this package available.
See the version list below for details.
Install-Package FluentValidation -Version 9.1.1
dotnet add package FluentValidation --version 9.1.1
<PackageReference Include="FluentValidation" Version="9.1.1" />
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add FluentValidation --version 9.1.1
The NuGet Team does not provide support for this client. Please contact its maintainers for support.
#r "nuget: FluentValidation, 9.1.1"
#r directive can be used in F# Interactive, C# scripting and .NET Interactive. Copy this into the interactive tool or source code of the script to reference the package.
// Install FluentValidation as a Cake Addin
#addin nuget:?package=FluentValidation&version=9.1.1

// Install FluentValidation as a Cake Tool
#tool nuget:?package=FluentValidation&version=9.1.1
The NuGet Team does not provide support for this client. Please contact its maintainers for support.

Release Notes

FluentValidation 9 is a major release. Please read the upgrade notes at https://docs.fluentvalidation.net/en/latest/upgrading-to-9.html

Changes in 9.1:
* 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

  • .NETFramework 4.6.1

    • No dependencies.
  • .NETStandard 2.0

    • No dependencies.

NuGet packages (966)

Showing the top 5 NuGet packages that depend on FluentValidation:

Package Downloads
FluentValidation.AspNetCore
AspNetCore integration for FluentValidation
FluentValidation.DependencyInjectionExtensions
Dependency injection extensions for FluentValidation
FluentValidation.WebAPI
ASP.NET WebApi integration for FluentValidation
MicroElements.Swashbuckle.FluentValidation
Swagger ISchemaFilter that uses FluentValidation validators instead System.ComponentModel based attributes.
FluentValidation.MVC5
ASP.NET MVC 5 integration for FluentValidation

GitHub repositories (117)

Showing the top 5 popular GitHub repositories that depend on FluentValidation:

Repository Stars
aspnetboilerplate/aspnetboilerplate
ASP.NET Boilerplate - Web Application Framework
NancyFx/Nancy
Lightweight, low-ceremony, framework for building HTTP based services on .Net and Mono
abpframework/abp
Open Source Web Application Framework for ASP.NET Core
Sonarr/Sonarr
Smart PVR for newsgroup and bittorrent users.
ThreeMammals/Ocelot
.NET core API Gateway

Version History

Version Downloads Last updated
10.3.3 186,320 8/24/2021
10.3.1 67,201 8/19/2021
10.3.0 910,886 7/9/2021
10.2.3 1,190,042 6/3/2021
10.2.2 94,992 6/1/2021
10.2.1 109,223 5/30/2021
10.2.0 39,198 5/28/2021
10.1.0 1,026,640 4/28/2021
10.0.4 498,788 4/17/2021
9.5.4 524,545 4/5/2021
9.5.3 1,176,294 3/15/2021
9.5.2 488,535 3/8/2021
9.5.1 1,719,509 2/11/2021
9.5.0 829,679 1/31/2021
9.4.0 1,016,545 1/14/2021
9.3.0 4,212,638 11/10/2020
9.3.0-preview3 17,676 10/19/2020
9.3.0-preview2 74,223 9/15/2020
9.3.0-preview1 7,103 8/26/2020
9.2.2 2,709,585 9/20/2020
9.2.1 8,831 9/19/2020
9.2.0 3,129,856 8/26/2020
9.1.3 509,639 8/19/2020
9.1.2 375,853 8/12/2020
9.1.1 259,200 8/8/2020
9.1.0 11,837 8/8/2020
9.0.1 1,694,213 7/14/2020
9.0.0-preview5 53,755 5/23/2020
9.0.0-preview4 58,736 4/22/2020
9.0.0-preview3 106,041 2/29/2020
9.0.0-preview2 24,700 2/21/2020
9.0.0-preview1 52,555 2/8/2020
8.6.3 726,719 8/28/2020
8.6.2 11,528,256 2/29/2020
8.6.1 5,899,554 12/28/2019
8.6.0 2,288,869 12/4/2019
8.5.1 1,966,133 11/2/2019
8.5.0 2,915,526 9/24/2019
8.5.0-preview5 49,336 9/1/2019
8.5.0-preview4 74,245 7/23/2019
8.5.0-preview3 26,350 7/10/2019
8.5.0-preview2 42,343 6/13/2019
8.5.0-preview1 44,914 5/10/2019
8.4.0 7,874,832 5/10/2019
8.3.0 1,619,479 4/24/2019
8.2.3 403,059 4/12/2019
8.2.2 602,100 4/5/2019
8.2.1 124,575 4/4/2019
8.2.0 625,263 3/26/2019
8.1.3 3,504,189 1/25/2019
8.1.2 1,449,058 12/18/2018
8.1.1 420,706 12/11/2018
8.1.0 345,597 12/6/2018
8.1.0-preview2 26,078 11/14/2018
8.1.0-preview1 25,399 10/14/2018
8.0.101 454,711 11/24/2018
8.0.100 2,529,908 9/4/2018
8.0.0 601,114 8/16/2018
8.0.0-rc1 38,766 7/24/2018
8.0.0-preview4 22,253 7/16/2018
8.0.0-preview3 21,020 7/13/2018
8.0.0-preview2 20,787 7/13/2018
7.6.105 765,726 8/11/2018
7.6.104 1,718,245 7/6/2018
7.6.103 811,050 6/16/2018
7.6.102 182,345 6/14/2018
7.6.101 62,840 6/13/2018
7.6.100 135,135 6/7/2018
7.6.0 262,398 6/1/2018
7.6.0-preview1 35,740 4/12/2018
7.5.2 2,165,056 3/16/2018
7.5.1 171,757 3/11/2018
7.5.0 566,549 2/26/2018
7.4.0 856,606 1/26/2018
7.3.4 710,219 1/2/2018
7.3.3 146,539 12/22/2017
7.3.2 47,824 12/21/2017
7.3.1 217,795 12/13/2017
7.3.0 36,142 12/13/2017
7.3.0-beta3 25,436 12/8/2017
7.3.0-beta2 38,878 11/20/2017
7.3.0-beta1 22,403 11/11/2017
7.2.1 1,724,722 10/24/2017
7.2.0 535,506 10/5/2017
7.2.0-beta3 38,153 9/5/2017
7.2.0-beta2 24,142 8/22/2017
7.2.0-beta1 20,847 8/19/2017
7.1.1 1,173,122 7/25/2017
7.1.0 346,625 6/28/2017
7.1.0-beta1 20,689 6/24/2017
7.0.3 481,082 6/7/2017
7.0.2 185,771 5/26/2017
7.0.1 57,971 5/23/2017
7.0.0 291,702 5/19/2017
7.0.0-beta3 24,734 5/1/2017
7.0.0-beta2 24,350 4/17/2017
7.0.0-beta1 21,869 4/7/2017
6.4.1 858,935 3/15/2017
6.4.1-beta1 21,648 3/13/2017
6.4.0 597,616 3/3/2017
6.4.0-rc4 143,035 2/13/2017
6.4.0-rc3 30,662 2/3/2017
6.4.0-rc2 36,963 1/30/2017
6.4.0-rc1 20,752 1/30/2017
6.4.0-beta9 81,100 11/21/2016
6.4.0-beta8 47,362 10/31/2016
6.4.0-beta7 21,309 10/28/2016
6.4.0-beta6 21,728 10/25/2016
6.4.0-beta5 21,428 10/24/2016
6.4.0-beta4 21,460 10/21/2016
6.4.0-beta3 65,277 7/4/2016
6.4.0-beta2 22,307 7/1/2016
6.4.0-beta10 20,608 1/30/2017
6.4.0-beta1 24,509 6/28/2016
6.3.4-alpha 254,606 6/1/2016
6.3.3-alpha 21,005 5/27/2016
6.2.1 2,721,749 2/26/2016
6.2.1-beta1 24,888 2/24/2016
6.2.0 96,287 2/22/2016
6.2.0-beta1 21,104 2/12/2016
6.1.0 270,749 1/18/2016
6.0.2 91,175 1/5/2016
6.0.1 33,643 1/5/2016
6.0.0 73,382 12/22/2015
5.6.2 909,344 5/29/2015
5.6.1 27,669 5/29/2015
5.5.0 717,947 10/31/2014
5.4.0 429,532 7/3/2014
5.3.0 79,831 5/27/2014
5.2.0 54,173 5/21/2014
5.1.0 457,039 3/11/2014
5.0.0.1 243,168 10/24/2013
4.0.0.1 184,486 7/18/2013
4.0.0 90,981 4/29/2013
3.4.6 255,985 8/30/2012
3.4.0 53,670 8/17/2012
3.3.1 44,326 3/30/2012
3.2.0 55,884 11/14/2011
3.1.0 47,902 7/30/2011
3.0.0.1 23,192 7/5/2011
3.0.0 29,761 6/25/2011
2.0.0 44,021 1/9/2011
1.3.0 62,767 1/7/2011
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