/Dart/Flutter check if string is number dart

Flutter check if string is number dart

Flutter check if string is number dart

bool isNumeric(String s) {
 if (s == null) {
   return false;
 }
 return double.tryParse(s) != null;
}

5

Source: stackoverflow.com

Similar codes

7 votes232 views2 answers
Flutter snackbar margin
Dart
0 vote209 views1 answer
Error: cannot find symbol public class AssetProvider extends FileProvider
Dart
0 vote218 views1 answer
How to change the shape of a buton in flutter to cicular
Dart
1 vote227 views1 answer
Get length of map flutter
Dart
49 votes306 views4 answers
Parse string to datetime
Dart
12 votes237 views3 answers
Flutter appbar width
Dart
0 vote239 views2 answers
Dart httop client
Dart
15 votes229 views2 answers
Icons flutter to put a right
Dart
0 vote229 views1 answer
Flutter sidebox
Dart
1 vote226 views2 answers
Text substring dart
Dart

Share