15 lines
390 B
Dart
15 lines
390 B
Dart
String? timeValidator(String? value) {
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if (value == null || value.isEmpty) return null;
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if (RegExp(r'^([0-1]?[0-9]|2[0-3]):[0-5][0-9]$').hasMatch(value)) {
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return null;
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}
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return 'Not a valid time format';
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}
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String? dateTimeValidator(String? value) {
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if (value == null || value.isEmpty) return null;
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return DateTime.tryParse(value) != null ? null : 'Not a date format';
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}
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