fixAlphaOnlyField function

String fixAlphaOnlyField(
  1. String value
)

Fix OCR mistakes for alpha-only MRZ fields (like country or nationality).

Implementation

String fixAlphaOnlyField(String value) {
  final map = {'0': 'O', '1': 'I', '5': 'S', '8': 'B', '6': 'G'};
  return value.toUpperCase().split('').map((c) => map[c] ?? c).join();
}