The different ways to select text in Flutter.

main.dart

import 'package:flutter/material.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return const MaterialApp(
      debugShowCheckedModeBanner: false,
      home: Scaffold(
        body: Center(
          child: Column(
            children: <Widget>[
              SelectableText('Selectable text number one.'),
              SelectableText('Selectable text number two.'),
              SelectionArea(
                child: Column(
                  children: <Widget>[
                    const Text('Selection Area number one, Text number one.'),
                    const Text('Selection Area number one, Text number two.'),
                  ],
                ),
              ),
              SelectionArea(
                child: Column(
                  children: <Widget>[
                    const Text('Selection Area number two, Text number one.'),
                    const Text('Selection Area number two, Text number two.'),
                  ],
                ),
              ),
            ],
          ),
        ),
      ),
    );
  }
}