/// Extracts the displayed spelling word from API question text.
///
/// Matches prompts like: Is 'colour' spelled correctly?
String? spellingWordToSpeak(String questionText) {
  final RegExp singleQuoted = RegExp(
    r"Is\s+'([^']+)'\s+spelled",
    caseSensitive: false,
  );
  final Match? single = singleQuoted.firstMatch(questionText);
  if (single != null) {
    return single.group(1)?.trim();
  }

  final RegExp doubleQuoted = RegExp(
    r'Is\s+"([^"]+)"\s+spelled',
    caseSensitive: false,
  );
  final Match? double = doubleQuoted.firstMatch(questionText);
  if (double != null) {
    return double.group(1)?.trim();
  }

  return null;
}