getFirstThaiAlphabet function

String? getFirstThaiAlphabet(
  1. String s
)

Implementation

String? getFirstThaiAlphabet(String s) {
  return String.fromCharCode(s.runes.firstWhere((c) {
    return 'ก'.runes.first <= c && c <= 'ฮ'.runes.first;
  }));
}