zeba_academy_validator #

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A lightweight, powerful, and production-ready Flutter validation package providing commonly used validators for forms and user input.

Designed for Flutter developers who want clean, reusable, and customizable validation logic with zero external dependencies.

✨ Features #

• ✅ Email Validation
• ✅ Phone Number Validation
• ✅ Required Field Validation
• ✅ Password Strength Checker
• ✅ Minimum Length Validation
• ✅ Maximum Length Validation
• ✅ Username Validation
• ✅ Number Validation
• ✅ URL Validation
• ✅ Match Validation (Confirm Password)
• ✅ Regular Expression Validation
• ✅ Custom Rule Builder
• ✅ Multiple Validator Chaining
• ✅ Null Safety
• ✅ Zero Dependencies
• ✅ Easy Integration
• ✅ Production Ready

🚀 Installation #

Add the package to your pubspec.yaml

dependencies:
  zeba_academy_validator: ^1.0.0

Then run

flutter pub get

📦 Import #

import 'package:zeba_academy_validator/zeba_academy_validator.dart';

Email Validation #

TextFormField(
  validator: Validator.email,
)

Phone Validation #

TextFormField(
  validator: Validator.phone,
)

Required Field #

TextFormField(
  validator: Validator.required,
)

Minimum Length #

TextFormField(
  validator: (value) => Validator.minLength(value, 8),
)

Maximum Length #

TextFormField(
  validator: (value) => Validator.maxLength(value, 20),
)

Username Validation #

TextFormField(
  validator: Validator.username,
)

Number Validation #

TextFormField(
  validator: Validator.number,
)

URL Validation #

TextFormField(
  validator: Validator.url,
)

Confirm Password #

TextFormField(
  validator: (value) =>
      Validator.match(value, passwordController.text),
)

Regular Expression Validation #

Validator.regex(
  value,
  RegExp(r'^[A-Z]{3}[0-9]{3}$'),
);

Password Strength #

final strength =
    Validator.passwordStrength("Admin@123");

print(strength);

Output

PasswordStrength.veryStrong

Validator Builder #

final validator = ValidatorBuilder()
    .add(Rules.required())
    .add(Rules.email());

final result = validator.validate(email);

Custom Validation Rule #

final validator = ValidatorBuilder()

    .add(Rules.required())

    .add((value) {

      if (value != "Flutter") {
        return "Only Flutter allowed";
      }

      return null;
    });

Registration Form Example #

Form(
  child: Column(
    children: [

      TextFormField(
        validator: Validator.email,
      ),

      TextFormField(
        validator: Validator.phone,
      ),

      TextFormField(
        validator: (value) =>
            Validator.minLength(value, 8),
      ),

      TextFormField(
        validator: Validator.required,
      ),

    ],
  ),
)

Included Validators #

Why zeba_academy_validator? #

• Lightweight
• Fast
• Zero Dependencies
• Easy API
• Highly Customizable
• Null Safe
• Clean Architecture
• Production Ready
• Flutter Friendly

Roadmap #

Upcoming features include:

• Aadhaar Validation
• PAN Validation
• GST Validation
• IFSC Validation
• UPI Validation
• PIN Code Validation
• Credit Card Validation
• Date Validation
• Age Validation
• File Validation
• Localization
• String Extension Methods
• More Built-in Validators

Contributing #

Contributions are welcome!

If you'd like to improve this package:

1. Fork the repository
2. Create a feature branch
3. Commit your changes
4. Push your branch
5. Open a Pull Request

Bug reports, feature requests, and suggestions are always appreciated.

License #

This project is licensed under the GNU General Public License v3.0 (GPL-3.0).

See the LICENSE file for details.

About Me #

✨ I’m Sufyan bin Uzayr, an open-source developer passionate about building and sharing meaningful projects.

You can learn more about me and my work at sufyanism.com or connect with me on LinkedIn.

Your all-in-one learning hub! #

🚀 Explore courses and resources in coding, tech, and development at zeba.academy and code.zeba.academy.

Empower yourself with practical skills through curated tutorials, real-world projects, and hands-on experience. Level up your tech game today! 💻✨

Zeba Academy is a learning platform dedicated to coding, technology, and development.

➡ Visit our main site: https://zeba.academy

➡ Explore hands-on courses and resources: https://code.zeba.academy

➡ YouTube: https://www.youtube.com/@zeba.academy

➡ Instagram: https://www.instagram.com/zeba.academy/

⭐ Support #

If you find this package useful, please give it a ⭐ on GitHub and like it on pub.dev.

Your support helps us continue building high-quality open-source Flutter packages.

Made with ❤️ by Zeba Academy