input only numbers flutter
keyboardType: TextInputType.numberallow only integer input flutter
import 'package:flutter/services.dart';
new TextField(
decoration: new InputDecoration(labelText: "Enter any number"),
keyboardType: TextInputType.number,
inputFormatters: <TextInputFormatter>[
FilteringTextInputFormatter.digitsOnly
], // Only numbers can be entered in this input field
),how to allow only characters and numbers in textfield flutter
inputFormatters: [new WhitelistingTextInputFormatter(RegExp("[a-zA-Z0-9]")),],Copyright © 2021 Codeinu
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