aadhar static method

String? aadhar(
  1. String? value
)

Implementation

static String? aadhar(String? value) {
  if (value == null || value.isEmpty) return null;

  final regex = RegExp(r'^\d{12}$');
  if (!regex.hasMatch(value)) {
    return "Invalid Aadhar Number";
  }
  return null;
}