Regex Validation for Gravity Forms

Regex Validation for Gravity Forms adds a powerful regex validation option to your Gravity Forms fields. Define custom regular expression patterns or choose from built-in presets to validate user input — both server-side and client-side.

Features

• Custom regex patterns — Add any regular expression to validate field input
• Unicode support — Full Unicode character class support (\p{L}, \p{N}) for international names and text
• Built-in presets — Quick-select common patterns for names, emails, phone numbers, and more
• Server-side validation — Secure PHP validation that can't be bypassed
• Client-side validation — Instant feedback on input change using JavaScript
• Compound field support — Works with Name fields (validates each sub-input individually)
• Custom error messages — Define user-friendly validation messages per field
• Extensible — Add your own presets and field types via filters
• Accessible — Error messages use role="alert" for screen readers

Supported Field Types

• Text
• Name (with individual sub-input validation)
• Email
• Phone
• Website
• Textarea

Built-in Presets

• Name — Unicode letters, spaces, hyphens, apostrophes
• Email — RFC 5322 compliant
• US Phone Number — Common US formats
• International Phone Number — E.164 format
• Alphanumeric — Unicode letters and numbers only
• No Special Characters — Unicode letters, numbers, and spaces only