“bagaimana menghindari karakter khusus di validator” Kode Jawaban

bagaimana menghindari karakter khusus di validator

// alphanumeric
static final  validCharacters = RegExp(r'^[a-zA-Z0-9]+$');
// alphanumeric and &%=
static final validCharacters = RegExp(r'^[a-zA-Z0-9&%=]+$');


void main() {
  final validCharacters = RegExp(r'^[a-zA-Z0-9_\-=@,\.;]+$');
  print(validCharacters.hasMatch('abc123'));
}