I built a zero-dependency validation library for every Indian developer

📰 Dev.to · Gaurav Kalal

Learn how to validate Indian identification numbers without dependencies using a custom library

intermediate Published 15 Mar 2026
Action Steps
  1. Build a validation function for PAN numbers using the library
  2. Run tests to ensure the library correctly validates Aadhaar numbers
  3. Configure the library to validate other Indian identification numbers, such as voter IDs
  4. Test the library with sample data to ensure its accuracy
  5. Apply the library to a real-world application, such as a form validation system
Who Needs to Know This

Developers building applications for Indian users can benefit from this library to validate identification numbers, improving data accuracy and reducing errors

Key Insight

💡 A custom validation library can simplify the process of validating Indian identification numbers, reducing dependencies and improving code maintainability

Share This
🚀 Zero-dependency validation library for Indian devs! Validate PAN, Aadhaar & more without dependencies 💻

Full Article

Indian developer building a form has hit the same wall. You need to validate a PAN number. Or an...
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