Regex Tester & Validator

This regex validates basic email address formats by matching a local part (username), the @ symbol, domain name, and a 2-3 character top-level domain. It allows common special characters like dots, underscores, percent signs, plus signs, and hyphens in the local part. While not RFC-compliant for all valid email addresses, it's commonly used for basic form validation, user registration, and contact form scenarios.