Utility library for validation of PESEL, NIP, REGON, identity card etc. Aimed mostly at Polish enviroment. [Polish] Walidacja numerów pesel, nip, regon, dowodu osobistego.

• UpdatedMar 27, 2023
• TypeScript

GUS REGON Internet Database Client

• UpdatedAug 6, 2019
• Python

BIR1 - GUS REGON client to official database of polish companies

• UpdatedFeb 24, 2025
• TypeScript

Simple, ruby wrapper for Polish GUS REGON database BIR1 (Baza Internetowa Regon 1)

• UpdatedFeb 11, 2025
• Ruby

Python 3 API Client for Polish REGON database (Baza Internetowa Regon - BIR)

• UpdatedNov 11, 2023
• Python

Simple Polish Validation rules for Laravel and Lumen framework

• UpdatedMar 11, 2025
• PHP

Check if a number is a valid REGON.

• UpdatedMar 25, 2025
• TypeScript

Elixir library for validate polish numbers: PESEL, NIP, REGON, IBAN (PL)

• UpdatedJan 15, 2018
• Elixir

A library for validating PESEL, NIP and REGON numbers.

• UpdatedApr 1, 2023
• JavaScript

Library for validate polish numbers: PESEL, NIP, REGON, IBAN (PL)

• UpdatedNov 7, 2016
• Ruby

REGON

• UpdatedSep 10, 2023
• C#

Browser extension that speeds up searching informations about companies in Poland

• UpdatedNov 13, 2023
• JavaScript

Simple lightweight library written in Kotlin to validate polish identification numbers like: NIP, PESEL, REGON (9-digit and 14-digit).

• UpdatedDec 19, 2017
• Kotlin

ActiveX Validator

• UpdatedApr 27, 2019
• Visual Basic

A collection of DevToys extensions for generating and validating Polish identification numbers, such as PESEL, NIP, and REGON.

• UpdatedMar 2, 2025
• C#

Elixir library for REGON number.

• UpdatedJan 10, 2018
• Elixir

A library for accessing the Polish REGON database via the official API.

• UpdatedJul 27, 2022
• JavaScript

Rails validators for polish numbers: PESEL, NIP, REGON, IBAN (PL)

• UpdatedMar 9, 2023
• Ruby