FluentValidation 8.1.0-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
FluentValidation.AspNetCore
AspNetCore integration for FluentValidation
72
FluentValidation.AspNetCore
AspNetCore integration for FluentValidation
73
FluentValidation.AspNetCore
AspNetCore integration for FluentValidation
76
FluentValidation.AspNetCore
AspNetCore integration for FluentValidation
77
FluentValidation.AspNetCore
AspNetCore integration for FluentValidation
98
FluentValidation.AspNetCore
AspNetCore integration for FluentValidation
119
FluentValidation.AspNetCore
AspNetCore integration for FluentValidation
152
FluentValidation.AspNetCore
AspNetCore integration for FluentValidation
861
FluentValidation.DependencyInjectionExtensions
Dependency injection extensions for FluentValidation
76
FluentValidation.DependencyInjectionExtensions
Dependency injection extensions for FluentValidation
79
FluentValidation.DependencyInjectionExtensions
Dependency injection extensions for FluentValidation
105
FluentValidation.DependencyInjectionExtensions
Dependency injection extensions for FluentValidation
116
FluentValidation.DependencyInjectionExtensions
Dependency injection extensions for FluentValidation
268
RulesEngine
Rules Engine is a package for abstracting business logic/rules/policies out of the system. This works in a very simple way by giving you an ability to put your rules in a store outside the core logic of the system thus ensuring that any change in rules doesn't affect the core system.
102
RulesEngine
Rules Engine is a package for abstracting business logic/rules/policies out of the system. This works in a very simple way by giving you an ability to put your rules in a store outside the core logic of the system thus ensuring that any change in rules doesn't affect the core system.
104
RulesEngine
Rules Engine is a package for abstracting business logic/rules/policies out of the system. This works in a very simple way by giving you an ability to put your rules in a store outside the core logic of the system thus ensuring that any change in rules doesn't affect the core system.
130
RulesEngine
Rules Engine is a package for abstracting business logic/rules/policies out of the system. This works in a very simple way by giving you an ability to put your rules in a store outside the core logic of the system thus ensuring that any change in rules doesn't affect the core system.
485

FluentValidation 8 is a major release. Please read the upgrade notes at https://fluentvalidation.net/upgrading-to-8 Changes in 8.1: * Add format support in message placeholders. * Added support for overriding indexers for collection rules. * Allow error codes to be used to override localization key in the Language Manager. * Additional error details are now shown in the ShouldNotHaveValidationErrorFor test extension. * Conditions defined with root-level When/WhenAsync/Unless/UnlessAsync are now only executed once (instead of once for each rule). * Support Otherwise method chained from root-level When/WhenAsync/Unless/UnlessAsync. * Minor wording changes to default English error messages. Changes in 8.0: * Support validating only specific properties by path. * Added OnFailure method * Deprecated RuleFor(..).SetCollectionValidator in favour of RuleForEach(...).SetValidator * IStringSource.GetString now takes a validation context instead of a model instance. * Introduce PropertyValidatorOptions in order to clean up the IPropretyValidator interface. * Moved the legacy ValidatorAttribute and AttributedValidatorFactory into a separate FluentValidation.Attributes package. * Remove the pre-7.0 localization mechanism * Remove the pre-7.0 methods for custom validation * Removed many other deprecated methods Full release notes can be found at https://github.com/JeremySkinner/FluentValidation/blob/master/Changelog.txt

Version Downloads Last updated
12.0.0 45 05/06/2025
12.0.0-preview1 28 01/03/2025
11.11.0 143 11/20/2024
11.10.0 213 09/20/2024
11.9.2 192 06/27/2024
11.9.1 66 07/22/2024
11.9.0 212 02/05/2024
11.8.1 103 07/22/2024
11.8.0 58 07/22/2024
11.7.1 56 07/22/2024
11.7.0 56 07/22/2024
11.6.0 60 07/22/2024
11.5.2 56 07/22/2024
11.5.1 176 02/04/2024
11.5.0 50 07/22/2024
11.4.0 59 07/17/2024
11.3.0 71 02/04/2024
11.2.2 55 07/22/2024
11.2.1 67 07/22/2024
11.2.0 64 07/22/2024
11.1.1 52 07/22/2024
11.1.0 66 07/13/2024
11.0.3 77 07/22/2024
11.0.2 58 07/22/2024
11.0.1 51 07/22/2024
11.0.0 58 07/22/2024
10.4.0 137 02/04/2024
10.3.6 54 07/22/2024
10.3.5 51 07/22/2024
10.3.4 57 07/17/2024
10.3.3 63 07/17/2024
10.3.1 61 07/22/2024
10.3.0 51 05/29/2024
10.2.3 61 07/22/2024
10.2.2 56 07/22/2024
10.2.1 56 07/22/2024
10.2.0 62 07/22/2024
10.1.0 63 07/22/2024
10.0.4 61 07/22/2024
9.5.4 59 07/22/2024
9.5.3 54 07/22/2024
9.5.2 65 07/22/2024
9.5.1 59 07/22/2024
9.5.0 70 02/09/2024
9.4.0 61 07/22/2024
9.3.0 63 07/22/2024
9.3.0-preview3 63 07/22/2024
9.3.0-preview2 62 07/22/2024
9.3.0-preview1 63 07/22/2024
9.2.2 53 07/22/2024
9.2.1 58 07/18/2024
9.2.0 52 07/22/2024
9.1.3 65 07/22/2024
9.1.2 62 07/22/2024
9.1.1 58 07/22/2024
9.1.0 55 07/22/2024
9.0.1 61 07/22/2024
9.0.0-preview5 55 07/22/2024
9.0.0-preview4 60 07/22/2024
9.0.0-preview3 59 07/22/2024
9.0.0-preview2 59 07/22/2024
9.0.0-preview1 58 07/22/2024
8.6.3 67 07/22/2024
8.6.2 53 07/22/2024
8.6.1 55 07/22/2024
8.6.0 55 07/22/2024
8.5.1 59 07/21/2024
8.5.0 65 07/18/2024
8.5.0-preview5 62 07/22/2024
8.5.0-preview4 53 07/22/2024
8.5.0-preview3 55 07/22/2024
8.5.0-preview2 61 07/22/2024
8.5.0-preview1 59 07/22/2024
8.4.0 60 07/22/2024
8.3.0 66 07/22/2024
8.2.3 64 07/22/2024
8.2.2 58 07/22/2024
8.2.1 58 07/22/2024
8.2.0 62 07/22/2024
8.1.3 59 07/22/2024
8.1.2 57 07/22/2024
8.1.1 50 07/22/2024
8.1.0 60 07/22/2024
8.1.0-preview2 54 07/22/2024
8.1.0-preview1 70 07/22/2024
8.0.101 62 07/22/2024
8.0.100 59 07/17/2024
8.0.0 55 07/22/2024
8.0.0-rc1 67 07/22/2024
8.0.0-preview4 57 07/22/2024
8.0.0-preview3 57 07/22/2024
8.0.0-preview2 62 07/22/2024
7.6.105 60 07/22/2024
7.6.104 55 07/22/2024
7.6.103 50 07/22/2024
7.6.102 53 07/22/2024
7.6.101 52 07/22/2024
7.6.100 57 07/22/2024
7.6.0 65 07/22/2024
7.6.0-preview1 61 07/22/2024
7.5.2 56 07/22/2024
7.5.1 63 06/21/2024
7.5.0 63 07/22/2024
7.4.0 53 07/22/2024
7.3.4 53 07/22/2024
7.3.3 57 07/22/2024
7.3.2 56 07/22/2024
7.3.1 56 07/22/2024
7.3.0 59 07/22/2024
7.3.0-beta3 66 07/22/2024
7.3.0-beta2 59 07/22/2024
7.3.0-beta1 61 07/22/2024
7.2.1 57 07/22/2024
7.2.0 63 07/22/2024
7.2.0-beta3 55 07/22/2024
7.2.0-beta2 69 07/22/2024
7.2.0-beta1 60 07/22/2024
7.1.1 57 07/22/2024
7.1.0 51 07/22/2024
7.1.0-beta1 58 07/22/2024
7.0.3 61 07/22/2024
7.0.2 56 07/22/2024
7.0.1 63 07/22/2024
7.0.0 59 07/22/2024
7.0.0-beta3 49 07/22/2024
7.0.0-beta2 66 07/22/2024
7.0.0-beta1 49 07/22/2024
6.4.1 74 07/22/2024
6.4.1-beta1 76 07/22/2024
6.4.0 67 07/22/2024
6.4.0-rc4 77 07/22/2024
6.4.0-rc3 56 07/22/2024
6.4.0-rc2 63 07/22/2024
6.4.0-rc1 70 07/22/2024
6.4.0-beta9 85 07/22/2024
6.4.0-beta8 88 07/22/2024
6.4.0-beta7 64 07/22/2024
6.4.0-beta6 65 07/22/2024
6.4.0-beta5 69 07/22/2024
6.4.0-beta4 69 07/22/2024
6.4.0-beta3 55 07/22/2024
6.4.0-beta2 62 07/22/2024
6.4.0-beta10 69 07/22/2024
6.4.0-beta1 54 07/22/2024
6.3.4-alpha 63 07/22/2024
6.3.3-alpha 59 07/22/2024
6.2.1 58 07/22/2024
6.2.1-beta1 55 07/22/2024
6.2.0 54 07/22/2024
6.2.0-beta1 62 07/22/2024
6.1.0 59 07/22/2024
6.0.2 53 07/22/2024
6.0.1 55 07/22/2024
6.0.0 63 07/22/2024
5.6.2 61 07/22/2024
5.6.1 60 07/22/2024
5.5.0 53 07/22/2024
5.4.0 68 07/22/2024
5.3.0 70 07/21/2024
5.2.0 54 07/22/2024
5.1.0 71 07/22/2024
5.0.0.1 63 07/22/2024
4.0.0.1 63 07/22/2024
4.0.0 65 07/22/2024
3.4.6 56 07/22/2024
3.4.0 59 07/22/2024
3.3.1 72 07/22/2024
3.2.0 69 07/22/2024
3.1.0 62 07/22/2024
3.0.0.1 55 07/22/2024
3.0.0 62 07/22/2024
2.0.0 56 07/22/2024
1.3.0 63 07/22/2024