/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

3 votes109 views2 answers
How to change primary color in flutter
Dart
19 votes130 views3 answers
Dart update
Dart
2 votes112 views2 answers
Dart compare two lists
Dart
0 vote109 views1 answer
What is the problem to aqueduct with dart 2.8
Dart
0 vote102 views1 answer
Using email signin or phone number in flutter firebase
Dart
4 votes118 views3 answers
Flutter transform translate
Dart
3 votes112 views1 answer
Flutter elevatedbutton
Dart
0 vote110 views1 answer
Flutter call phone number
Dart
15 votes123 views5 answers
Change font size flutter
Dart
5 votes104 views3 answers
Timer in flutter
Dart

Share