Python using re.split()

  • 2
    def __init__(self, compressedString):
        self.values = re.split('[a-zA-Z]+', compressedString)[1:][::-1]
        self.letter = re.split('[0-9]+', compressedString)[0:-1][::-1]
    def next(self):
        if self.hasNext():
            value = self.values.pop()
            letter = self.letter.pop()
            if int(value) > 1:
            return letter
        return ' '
    def hasNext(self):
        return not (len(self.values) == 0)

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