Code Examples of custom validation rules

firefly-iii/firefly-iii

• 21505
• Created Jun 2014
• Updated Nov 2025

Files in this example

• app/Rules/IsBoolean.php
• app/Api/V1/Requests/Models/Rule/StoreRequest.php

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pterodactyl/panel

• 8314
• Created Dec 2016
• Updated Nov 2025

Files in this example

• app/Rules/Username.php
• app/Models/User.php

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bytefury/crater

• 8213
• Created Nov 2019
• Updated Aug 2024

Files in this example

• app/Rules/Backup/PathToZip.php
• app/Http/Controllers/V1/Backup/DownloadBackupController.php

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unopim/unopim

• 7807
• Created Jul 2024
• Updated Nov 2025

Files in this example

• packages/Webkul/DataTransfer/src/Rules/SeparatorTypes.php
• packages/Webkul/Admin/src/Http/Controllers/Settings/DataTransfer/ExportController.php

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JhumanJ/OpnForm

• 3005
• Created Sep 2022
• Updated Nov 2025

Files in this example

• app/Rules/OneEmailPerLine.php
• app/Http/Requests/UserFormRequest.php

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laravelio/laravel.io

• 2497
• Created May 2016
• Updated Nov 2025

Files in this example

• app/Rules/PasscheckRule.php
• app/Http/Requests/UpdatePasswordRequest.php

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HDInnovations/UNIT3D-Community-Edition

• 2239
• Created Dec 2017
• Updated Nov 2025

Files in this example

• app/Validators/EmailBlacklistValidator.php
• app/Providers/EmailBlacklistServiceProvider.php
• config/email-blacklist.php
• app/Http/Controllers/Auth/ApplicationController.php
• app/Helpers/EmailBlacklistUpdater.php
• config/app.php

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guillaumebriday/laravel-blog

• 1797
• Created Dec 2016
• Updated Oct 2024

Files in this example

• app/Rules/AlphaName.php
• app/Http/Requests/UsersRequest.php

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pinkary-project/pinkary.com

• 1505
• Created Mar 2024
• Updated Nov 2025

Files in this example

• app/Rules/NoBlankCharacters.php
• app/Http/Requests/UserUpdateRequest.php

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realodix/urlhub

• 532
• Created Aug 2018
• Updated Nov 2025

Files in this example

• app/Rules/StrAlphaUnderscore.php
• app/Http/Requests/StoreUrl.php
• app/Http/Controllers/UrlController.php

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protonemedia/eddy-server-management

• 507
• Created May 2023
• Updated Aug 2024

Files in this example

• app/Rules/FirewallPort.php
• app/Http/Controllers/FirewallRuleController.php

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spatie/spatie.be

• 493
• Created Oct 2020
• Updated Nov 2025

Files in this example

• app/Rules/MatchingLicense.php
• app/Http/Api/Requests/Activations/ShowActivationRequest.php
• resources/views/components/field.blade.php

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christophrumpel/larastreamers

• 238
• Created May 2021
• Updated Oct 2025

Files in this example

• app/Rules/YouTubeRule.php
• app/Http/Livewire/SubmitYouTubeLiveStream.php

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LaraBug/larabug-app

• 218
• Created Apr 2021
• Updated Oct 2023

Files in this example

• app/Rules/StartsWith.php
• app/Http/Requests/ProjectRequest.php

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jcergolj/laravellte

• 216
• Created Jan 2020
• Updated Feb 2023

Files in this example

• app/Rules/PasswordCheckRule.php
• app/Http/Livewire/Profile/UpdatePassword.php

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JustinByrne/Mealing

• 99
• Created Oct 2020
• Updated Sep 2022

Files in this example

• app/Rules/CurrentPasswordRule.php
• app/Http/Requests/ChangePasswordRequest.php
• app/Http/Controllers/ProfileController.php

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cattr-app/server-application

• 87
• Created Mar 2023
• Updated Jan 2025

Files in this example

• app/Rules/TimeIntervalDoesNotExist.php
• app/Http/Requests/Interval/CreateTimeIntervalRequest.php

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caneara/lumeno

• 14
• Created Dec 2022
• Updated Dec 2022

Files in this example

• app/Rules/MaxYearsExperienceRule.php
• app/Requests/Requirement/StoreRequest.php

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caneara/tipsea

• 13
• Created Dec 2022
• Updated Dec 2022

Files in this example

• app/Rules/ForbiddenContentRule.php
• app/Requests/Account/UpdateRequest.php

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Ayenko4all/school-management-system-backend

• 12
• Created Aug 2021
• Updated Nov 2021

Files in this example

• app/Rules/CreateClassroomRule.php
• app/Http/Requests/CreateClassroomRequest.php

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Melcus/parking-system

• 10
• Created May 2021
• Updated Feb 2022

Files in this example

• app/Rules/ExistingReservationRuleForInterval.php
• app/Http/Requests/ReservationCreateRequest.php

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archboard/tidal-ptc

• 4
• Created Dec 2023
• Updated Sep 2025

Files in this example

• app/Rules/ValidLicense.php
• app/Forms/Traits/ValidatesTenantFields.php

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RatulSaqibKhan/emoji-calculator-laravel

• 1
• Created Sep 2021
• Updated Nov 2021

Files in this example

• app/Rules/OperandRule.php
• app/Http/Requests/CalculatorRequest.php

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