by @kodeazy

flutter how to replace character at specific index in String?

Home » flutter » flutter how to replace character at specific index in String?
  • Strings are immutable in flutter.
void main() {
  String example = "abceefg";
  int pos = 3;
  String replaceable_character = "d";
  example = example.substring(0, pos) +
      replaceable_character +
      example.substring(pos + 1, example.length);
  print(example);
}