Field validation (Regex)

Enforce advanced rules for user input, with custom error messages

Use Regular expressions (Regex) to ensure only valid inputs are submitted.

Common validations:

• Email: must include @domain.com
• Postal Code: must match local formatting (e.g. 12345 or 123-456)
• IBAN or Credit Card: exact character length and format

Features:

• Custom error messages
• Instant validation feedback
• Works with field masking for better user experience

💡 You can use tools like ChatGPT to generate Regex quickly!