validators_and_input_formatters

A lightweight and customizable Flutter package that provides a set of form validators and input formatters to make form handling cleaner and more efficient.

✨ Features

✅ Ready-to-use validators for:

• Required fields
• Email address
• Full name
• Mobile number
• Password & Confirm password
• PIN code
• Integer numbers with range support

✅ Input formatters for:

• Credit card numbers
• Lowercase text
• Decimal numbers (custom decimal precision)

📦 Installation

Add this to your pubspec.yaml:

dependencies:
  validators_and_input_formatters: ^0.0.1

Then run:

flutter pub get

🚀 Usage

✅ Validators

TextFormField(
  validator: (val) => CustomValidators.emailValidation(val),
)

Confirm Password Example

TextFormField(
  validator: (val) => CustomValidators.confirmPasswordValidation(
    val,
    passwordController.text,
  ),
)

✅ Input Formatters

Credit Card Formatter

TextFormField(
  inputFormatters: [CreditCardNumberInputFormatter()],
)

Lowercase Formatter

TextFormField(
  inputFormatters: [LowerCaseTextFormatter()],
)

Decimal Number Formatter

TextFormField(
  inputFormatters: [DecimalNumberInputFormatter(decimalRange: 2)],
)

📂 Contents

• CustomValidators: All reusable form field validation functions.
• CreditCardNumberInputFormatter: Formats numbers as credit card layout.
• LowerCaseTextFormatter: Automatically converts text to lowercase.
• DecimalNumberInputFormatter: Restricts input to decimals with a fixed number of places.

📄 License

This project is licensed under the MIT License.

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Made with ❤️by Manish Talreja for clean forms.