king_validation 1.0.0

A lightweight Flutter and Dart validation package with reusable validators for forms and user input.

👑 King Validation

A lightweight, fast, and easy-to-use Flutter/Dart validation package that helps you validate user input with clean and reusable validators.

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✨ Features

✅ Email Validation

🔒 Password Validation

📱 Phone Validation

🌐 URL Validation

👤 Username Validation

📝 Name Validation

📦 Empty Validation

🔢 Number Validation

🔐 OTP Validation

💳 Credit Card Validation

🛠️ Custom Validation

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🚀 Installation

Add the package to your pubspec.yaml:

dependencies:
  king_validation: ^1.0.0

Run:

flutter pub get

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📥 Import

import 'package:king_validation/king_validation.dart';

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📚 Usage Examples

📧 Email Validation

final result = EmailValidator.validate(
  '[e-mail]',
);

print(result.isValid);

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🔒 Password Validation

final result = PasswordValidator.validate(
  'Hero@123',
);

print(result.isValid);

---

📱 Phone Validation

final result = PhoneValidator.validate(
  '1234567890',
);

print(result.isValid);

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👤 Username Validation

final result = UsernameValidator.validate(
  'hero_123',
);

print(result.isValid);

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📝 Name Validation

final result = NameValidator.validate(
  'Hero Ahmed',
);

print(result.isValid);

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🌐 URL Validation

final result = UrlValidator.validate(
  'https://google.com',
);

print(result.isValid);

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📦 Empty Validation

final result = EmptyValidator.validate(
  'Hello World',
);

print(result.isValid);

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🔢 Number Validation

final result = NumberValidator.validate(
  '123.45',
);

print(result.isValid);

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🔐 OTP Validation

final result = OtpValidator.validate(
  '123456',
);

print(result.isValid);

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💳 Credit Card Validation

final result = CreditCardValidator.validate(
  '4111111111111111',
);

print(result.isValid);

---

🛠️ Custom Validation

final result = CustomValidator.validate(
  'ABC123',
  RegExp(r'^[A-Z0-9]+$'),
);

print(result.isValid);

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📊 Validation Result

final result = EmailValidator.validate(
  '[e-mail]',
);

if (result.isValid) {
  print('Valid');
} else {
  print(result.error);
}

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🎯 Available Validators

Validator	Description
📧 EmailValidator	Validate email addresses
🔒 PasswordValidator	Validate strong passwords
📱 PhoneValidator	Validate phone numbers
👤 UsernameValidator	Validate usernames
📝 NameValidator	Validate names
🌐 UrlValidator	Validate URLs
📦 EmptyValidator	Validate empty values
🔢 NumberValidator	Validate numbers
🔐 OtpValidator	Validate OTP codes
💳 CreditCardValidator	Validate credit card numbers
🛠️ CustomValidator	Validate custom patterns

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🧪 Tested

✅ Unit Tested

✅ Example Included

✅ Null Safety Support

✅ Flutter Support

✅ Dart Support

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🤝 Contributing

Contributions, issues, and feature requests are welcome.

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📄 License

MIT License

Made with ❤️ using Flutter & Dart.