replaceLastNCharacters method

String replaceLastNCharacters(
  1. int n,
  2. String replacementChar
)

Replaces the last n characters with replacementChar.

Implementation

String replaceLastNCharacters(int n, String replacementChar) {
  if (n <= 0 || n > length) return this;
  return substringSafe(0, length - n) + replacementChar * n;
}