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  1. Prepare
  2. Algorithms
  3. Strings
  4. Alternating Characters
  5. Discussions

Alternating Characters

  • danradenkovic
     + 1 comment

    Python3 regex one liner

    def alternatingCharacters(s: str) -> int:
    return len(s) - len(re.sub(r"(\w)\1+", r"\1", s))