FLUTTER ECOSYSTEM

hnvn/flutter_pattern_formatter

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

flutter_pattern_formatter project cover
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Last push (UTC)
Aug 21, 2025
Project status
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HungHD ↗

Full-stack developer (Android, iOS, Flutter, Blockchain, Solidity).

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Dependencies used

Dependency list 3 items
  • flutter{"sdk":"flutter"}
  • intlany
  • flutter_testDevelopment{"sdk":"flutter"}

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PatternFormatter

pub package https://github.com/hnvn/flutter_pattern_formatter/workflows/unit%20test/badge.svg codecov

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:

https://github.com/hnvn/flutter_pattern_formatter/blob/master/screenshots/integer_formatter.gif?raw=true

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

https://github.com/hnvn/flutter_pattern_formatter/blob/master/screenshots/decimal_formatter.gif?raw=true

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

https://github.com/hnvn/flutter_pattern_formatter/blob/master/screenshots/card_number_formatter.gif?raw=true

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

https://github.com/hnvn/flutter_pattern_formatter/blob/master/screenshots/date_formatter.gif?raw=true

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