PatternFormatter

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

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(),
  ],
)

Download Flutter TextInputFormatter source code on GitHub

https://github.com/hnvn/flutter_pattern_formatter