extractPassportNumber method

String? extractPassportNumber(
  1. String text
)

Implementation

String? extractPassportNumber(String text) {
  RegExp stringRegExp = RegExp(r'\b[A-Z]{2}\d{7}\b');
  RegExpMatch? match = stringRegExp.firstMatch(text);
  if (match != null) {
    String extractedString = match.group(0)!;
    debugPrint(extractedString);
    return extractedString; // Output: FC1875731
  }
  return null;
}