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⚡ AI Lessons
Dev.to · mnotr
🔧 Backend Engineering
⚡ AI Lesson
5mo ago
IBAN Validation: Complete Developer Guide (2026)
If your app handles international payments, money transfers, or banking integrations, you'll need to...
Dev.to · mnotr
🔧 Backend Engineering
⚡ AI Lesson
5mo ago
Luhn Algorithm Explained: Credit Card Validation in JavaScript
Every credit card number has a built-in error-detection mechanism called the Luhn algorithm (also...
Dev.to · mnotr
⚡ AI Lesson
5mo ago
How to Validate International Phone Numbers in JavaScript (2026)
Phone number validation sounds simple until you go international. US numbers have 10 digits, UK...
Dev.to · mnotr
🔧 Backend Engineering
⚡ AI Lesson
5mo ago
How to Validate Email Addresses in Node.js (2026 Guide)
Email validation is one of those problems that looks simple but isn't. A basic regex catches obvious...
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