Basic Input formatter package for Flutter

A Flutter package provides some implementations of TextInputFormatter that format input with pre-defined patterns.

Supports

• Thousands grouping
• Decimal number
• Card number grouping
• Date format

How to use

import 'package:pattern_formatter/pattern_formatter.dart';

Thousands grouping

• Integer number:

TextField(
  keyboardType: TextInputType.number,
  inputFormatters: [
    ThousandsFormatter()
  ],
)

• Decimal number:

TextField(
  keyboardType: TextInputType.number,
  inputFormatters: [
    ThousandsFormatter(allowFraction: true)
  ],
)

Card number grouping

TextField(
  keyboardType: TextInputType.number,
  inputFormatters: [
    CreditCardFormatter(),
  ],
)

Date format

TextField(
  keyboardType: TextInputType.number,
  inputFormatters: [
    DateInputFormatter(),
  ],
)