InMastering Software DevbySashika Suraweera·Jun 19Validating Postal Codes for 249 Countries Without Maintaining 249 RegexesEvery postal-code validator starts the same way: five digits.
Rajat Gupta·Dec 28, 2025DIGIPIN UI: A Practical Interface for India’s Digital Address SystemIndia’s digital public infrastructure continues to evolve, and one important development in this space is DIGIPIN (Digital Postal Index…
Muhammad Talha Zubair·Jul 7, 2025✨ Introducing canadian-postal-radius — Fast Canadian Postal Code LookupEvery Node.js developer working with Canadian locations knows the struggle — finding nearby postal codes can be cumbersome. Existing…
InWake. Write. Win.byPrasenjit Sarkar·Feb 18, 2024How Mr Zip Signed, Sealed And DeliveredA lanky figure. In blue and orange. Cheerful. Dashing. A hero with no first name. Who won American hearts. A salesman. With a career…A response icon3
Markup·Aug 2, 2023The Definitive Guide to Zip CodeLet’s dive into the fascinating history of zip codes, explore their differences from postal codes, and uncover the myriad benefits they…
