Laravel Route Parameter Validation: “Where“ in Routes File

I want to show an old “trick“ that I remembered recently, and maybe some of you don’t know it. How to validate route parameters directly in the routes file? Example from FireFly III: #L127 My repository with 200 Laravel tips: - - - - - Support the channel by checking out our products: - Enroll in my Laravel courses: - Try our Laravel QuickAdminPanel: - Purchase my Livewire Kit: - View Laravel Code Examples: - Subscribe to my weekly newsletter: