Overview
The credit_card_flag_detector package identifies credit card types by analyzing the numerical patterns of input card numbers. It supports major card brands such as Visa, Mastercard, American Express, and others, providing real-time feedback during form entry. Designed for use in payment forms, it enhances user experience by validating card type instantly. The package is lightweight and compatible across multiple platforms including Android, iOS, Web, macOS, Windows, and Linux. It does not perform actual transactions or store sensitive data.
Use cases
- Real-time card type validation in checkout forms
- Enhancing UX in payment input fields
- Integrating with card scanning features
- Pre-validating card numbers before submission
- Supporting multi-card brand recognition
Key features
- Pattern-based card type detection
- Cross-platform compatibility
- Lightweight and fast processing
- No external dependencies
- Simple API integration
Suitable for
- E-commerce apps with payment forms
- Mobile and web applications requiring card input
- Developers building payment UI components
- Apps with card number input fields
- Projects needing instant card brand feedback
Considerations
- Does not validate card authenticity or security
- Relies solely on number pattern matching
- Not suitable for transaction processing
- Does not support all niche or regional card types
- No built-in encryption or secure storage