Stop Writing JavaScript! HTML5 REGEX Form Validation is a Game Changer
Автор: ojamboshop
Загружено: 2025-11-04
Просмотров: 16
Ready to build super-robust web forms without writing tons of JavaScript? This beginner-friendly screencast shows you how to use HTML5's built-in REGEX (Regular Expressions) validation to enforce complex rules right in your HTML.
We cover how the essential pattern attribute works, providing both simple and advanced REGEX examples for common fields like usernames and strong passwords. Plus, we'll use CSS magic to make the form beautiful and instantly highlight valid or invalid user input.
This video is a standalone guide. The only JavaScript included is a simple FETCH API call, ready for a future back-end endpoint, demonstrating a best-practice, non-disruptive validation method.
What You'll Learn:
How to use the HTML5 pattern attribute for client-side validation.
Simple REGEX for basic text matching.
Advanced REGEX (using Lookaheads) for strong password policies.
CSS techniques to style valid and invalid form states beautifully.
Integrating a non-intrusive JavaScript Fetch API handler for submission.
Resources:
Read the full tutorial article on my blog: https://ojambo.com/html5-regular-expr...
Level Up Your Programming Skills:
Grab my book, "Learning JavaScript" on Amazon: https://www.amazon.com/Learning-JavaS...
Enroll in my comprehensive "Learning JavaScript" course: https://ojamboshop.com/product/learni...
Book a one-on-one programming tutorial with me (JavaScript and more): https://ojambo.com/contact
#HTML5 #REGEX #FormValidation #WebDevelopment #JavaScript #CSS #ProgrammingTutorial #BeginnerCode
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