Regex Tester & Validator
Test, validate and match regular expressions
Test, validate and match regular expressions
This regex validates email addresses with support for standard formats and IP-based domains. It checks for a local part containing word characters, hyphens, dots, and plus signs, followed by @ symbol, then either an IP address in brackets or a standard domain with a TLD of 2-4 characters. Commonly used for form validation and data sanitization in JavaScript applications.