getCharFromString function

String getCharFromString({
  1. required String stringToExtract,
})

getCharFromString method this method will return characters from string passed

Implementation

String getCharFromString({required String stringToExtract}) {
  if (stringToExtract.isEmpty) {
    return 'String passed cannot be empty';
  }

  const Pattern pattern = '[^A-Za-z]';
  final RegExp regex = RegExp(pattern as String);

  return stringToExtract.replaceAll(regex, ' ');
}