Phone Number Input with Country Flags & Validation | React + Bootstrap
#React #Bootstrap #JavaScript #PhoneNumberValidation
In this tutorial, we’ll build a modern Phone Number Input with Country Flags using React, Bootstrap, and libphonenumber-js.
This is a real-world feature you’ll often see on websites for sign-ups, authentication, and forms — fully validated and user-friendly.
We’ll cover:
✅ Setting up a React project with Bootstrap
✅ Adding a phone input field with country flags
✅ Using libphonenumber-js for real-time validation
✅ Showing "Valid ✓ / Invalid ✕" feedback instantly
✅ Formatting numbers into International & E.164 formats
✅ Responsive design with Bootstrap components
✅ Testing the project live in the browser
Timestamps:
0:00 Intro
1:02 Project Setup
3:59 Adding Bootstrap Layout
5:52 Phone Input Component
7:33 Setup initial States
8:10 Validation with libphonenumber-js
11:14 Working on UI
13:42 Input Field
14:51 Testing in Browser
15:33 Closing Thoughts
15:54 Outro
By the end of this tutorial, you’ll have a fully functional phone input system ready to use in your apps, sign-up forms, or authentication pages.
🔗 Source Code Link:
https://www.dropbox.com/scl/fi/5jr7uf...
👉 More React tutorials:
• Build an Interactive Pie Chart with HTML, ...
• File Upload & Image Gallery App PHP, MySQ...
• Weather App with React – The Complete Guid...
Don’t forget to 👍 like, 🔔 subscribe, and share this video if you found it helpful! 🚀