passes method

@override FutureOr<bool> passes(ValidationContext context)

Validates the value using the given context.

Returns true if valid, otherwise false.

Implementation

@override
FutureOr<bool> passes(ValidationContext context) {
  final value = context.value;
  if (value == null || value is! String) return false;

  // Supports 00:00:00:00:00:00 and 00-00-00-00-00-00 and 0000.0000.0000 formats
  final macRegex = RegExp(r'^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})$');
  return macRegex.hasMatch(value);
}