4 lines
203 B
Scala
4 lines
203 B
Scala
def decode(s: String, Code: scala.util.matching.Regex = """(\d+)?([a-zA-Z])""".r) =
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Code.findAllIn(s).foldLeft("") { case (acc, Code(len, c)) =>
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acc + c * Option(len).map(_.toInt).getOrElse(1)
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}
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