/Dart/Flutter check if string is number

Flutter check if string is number

Flutter check if string is number

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

5

Source: stackoverflow.com

Similar codes

-1 vote216 views1 answer
Dart ASCII to string
Dart
2 votes143 views4 answers
Regex dart
Dart
0 vote147 views3 answers
The build failed likely due to AndroidX incompatibilities in a plugin. The tool is about to try
Dart
10 votes87 views2 answers
Flutter clickable container
Dart
7 votes135 views1 answer
Dart exception
Dart
1 vote146 views2 answers
Context in flutter
Dart
1 vote154 views2 answers
Dart round
Dart
1 vote135 views1 answer
Dart set list spread operator
Dart
-1 vote133 views1 answer
Flutter upgrade pubspec
Dart
1 vote142 views1 answer
Decode, encode base64 dart
Dart

Share