added validator for whole numbers

2026-07-16 16:10:33 +02:00
parent 4af3683b73
commit e1eafdca59
1 changed files with 9 additions and 0 deletions
@@ -7,6 +7,15 @@ String? timeValidator(String? value) {
  return 'Not a valid time format';
 }

+String? wholeNumberValidator(String? value) {
+  if (value == null || value.isEmpty) return null;
+
+  if (RegExp(r'^[0-9]*$').hasMatch(value)) {
+    return null;
+  }
+  return 'Not a valid number';
+}
+
 String? dateTimeValidator(String? value) {
  if (value == null || value.isEmpty) return null;