#validation

Validate foreign VAT numbers via German “Bundeszentralamt für Steuern”

Typed environment variable store for humans and workloads

Runtime validation for static types

Smallest simplest conventional commit validator to use with eg Husky

JS-Joda integration for Zod validation library

Generates human-readable, prefixed, and globally unique identifiers (based on the TypeID spec) for Rust. Improves clarity, type-safety, debugging, and identifier management in your applications.

Phone number functionality for Laravel

Declarative JSON validation and transformation for Go. Flatten any document into dotted keys, target them with wildcards or regex, and run each value through a pipeline of validators and operators. Typed errors, no panics, zero dependencies.

Parse, format, and validate credit cards in JS

Data Engineering infrastructure that controls inbound tabular data file feeds and validates data contracts

Know whether a property was Specified or Unspecified/omitted in your (json) objects.

The offline judge for AAS submodels against IDTA templates — deterministic, honest coverage

🐺 Back-end Framework for Next.js App Router. One codebase → type-safe clients, OpenAPI, and AI tools

Scala validation library

SIMD-accelerated UTF-8 validation for Rust.

Parse, validate and format Swedish bank account numbers

Extension methods that make it easier to wire up validation for the .NET Core options pattern.

Go library for applying struct defaults, applying and exporting typed values as well as validating fields with simple tags and type-safe rules.

A CakePHP plugin with I18n related tools.

Spec-complete JSON Schema for Go: a validator that passes 100% of the official test suite (2020-12, 2019-09, draft-07) and a code generator that turns schemas into idiomatic Go types with UnmarshalJSON + Validate — no reflection, no runtime dependencies.

Web application for checking UK electricity and gas bills

Top Level Domain (TLD) validation library for PHP

A library for validating your Laravel app's config.

Constraint Class for international Zipcode Validation

The offline judge for VDI 2770 documentation containers — deterministic, every finding carries its fix

AI tool-execution runtime for the Milpa PHP framework — registry pipeline, #[Tool] attributes, policy gate, human verification. Apache-2.0.

A modular Rust library providing a reusable trait for paginating any serializable collection.

Raw data mapping to validated objects

A tool used to validate a Job Template and Pipeline Template

Fast data struct library for Python