▶ currency_text_input_formatter 라이브러리 설치 flutter pub add currency_text_input_formatter ▶ 예제 소스TextField( inputFormatters: [ CurrencyTextInputFormatter.currency( locale: 'ko', decimalDigits: 0, symbol: 'KRW ', ), ], keyboardType: TextInputType.number, textAlign: TextAlign.right, controller: textController1, decoration: const InputDecoration( border: OutlineInputBorde..