transformString method

String transformString(
  1. String inputString,
  2. String regexPattern
)

Implementation

String transformString(String inputString, String regexPattern) {
  final regex = RegExp('$regexPattern+(.)');
  final outputString = inputString.replaceAllMapped(regex, (match) {
    return match.group(1)?.toUpperCase() ?? '';
  });
  return outputString;
}