ng print(real.parse_string('3. 1416')) # -> ['3', '.', '1416'] real = Combine(Word(nums) + '.' + Word(nums)) print(real.parse_string('3.1416')) # -> ['3.1416'] # no match when there are internal spaces print(real.parse_string('3. 1416')) # -> Exception: Expected W:(0123...) N)