JavaScript Masterclass - Zero to Job-Ready with Hands-On Projects - Testing RegEx Patterns / 061

The video tutorial covers input validation using regular expressions in JavaScript. It begins with an introduction to validating user input fields, specifically username and feedback, by defining regex patterns. The tutorial then demonstrates how to test these patterns with sample inputs and implement validation logic during form submission. Conditional logic is used to handle validation results, providing feedback to users. The session concludes with a summary and a preview of the next steps.

Describe the process of validating both username and feedback input before submission.

What feedback is provided to the user if both username and feedback are invalid?

How can the success of the input validation be communicated to the user?