Core
Headless form validation library for Vue.js applications
Pricing
Free tier
Flat rate
Adoption
→StableLicense
Open Source
Data freshness
Aging · Jun 8, 2026Overview
What is Core?
Regle is a headless form validation library designed specifically for Vue.js applications. It simplifies the process of adding robust validation to forms, making it easier for developers to ensure data integrity and user input accuracy.
Key differentiator
“Regle stands out as a lightweight, flexible, and headless form validation library specifically tailored for Vue.js applications, offering developers a powerful yet easy-to-integrate solution.”
Capability profile
Capability Radar
Honest assessment
Strengths & Weaknesses
↑ Strengths
↓ Weaknesses
Regle is specifically designed for Vue.js and lacks support for React or Angular
The official documentation provides basic examples but lacks advanced scenarios and troubleshooting guides
In complex forms with many fields, the reactivity can introduce performance bottlenecks
Fit analysis
Who is it for?
✓ Best for
Vue.js developers who need a flexible and customizable form validation solution
Projects requiring both synchronous and asynchronous validations within Vue applications
Developers looking to integrate headless validation into their existing Vue projects without UI constraints
✕ Not a fit for
Applications that do not use the Vue.js framework
Teams preferring a fully managed or cloud-based form validation service
Cost structure
Pricing
Free Tier
Available
Open source — free to use
Starts at
$0
Model
Flat rate
Enterprise
None
Performance benchmarks
How Fast Is It?
Ecosystem
Relationships
Works well with
Integrations
Next step
Get Started with Core
Step-by-step setup guide with code examples and common gotchas.