Developer Examples Hub
Example-first pages for high-intent developer queries.
This hub collects practical examples that developers frequently search for. Start with a focused pattern page, review accepted and rejected samples, then open the full tool workspace to adapt the pattern for your project.
Email Regex Example
Validate common email-like strings with a practical pattern suitable for frontend form checks.
Phone Number Regex Example
Match normalized phone numbers with optional plus prefix and 7 to 15 digits.
Password Regex Example
Require uppercase, lowercase, number, symbol, and a minimum length for strong-password policies.
URL Regex Example
Validate common HTTP/HTTPS URLs including optional ports, paths, and query fragments.
IPv4 Regex Example
Match IPv4 addresses with strict 0-255 octet validation for each of four segments.
Related pages
Continue with Regex Tester & Generator, Regex examples library, and developer learning guides.