getPasportNumber function

String? getPasportNumber(
  1. String text
)

Implementation

String? getPasportNumber(String text) {
  RegExp passportRegex = RegExp(r"Passport No @@ :(.+) @@");

  String? passportNumber = passportRegex.firstMatch(text)?.group(1);

  print("Passport Number: $passportNumber");
  return passportNumber;
}