/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

0 vote276 views1 answer
Invalid argument(s): join(null, "bin", "cache", "dart-sdk"): part 0 was null, but part 1 was not.
Dart
0 vote292 views1 answer
What is shouldshowrequestpermissionrationale return
Dart
3 votes280 views1 answer
Android studio avd blue screen
Dart
0 vote235 views1 answer
Media query flutter error
Dart
5 votes284 views3 answers
Text spacing flutter
Dart
11 votes334 views3 answers
How to get current date without time in flutter
Dart
0 vote275 views1 answer
Uinstall php server on ubuntu
Dart
1 vote253 views1 answer
Materialstateproperty color
Dart
5 votes278 views1 answer
Dart json encode example
Dart
0 vote274 views1 answer
Counting no of word in javascript string
Dart

Share