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  1. Prepare
  2. Python
  3. Regex and Parsing
  4. Validating Roman Numerals
  5. Discussions

Validating Roman Numerals

  • sefamutlucu
     + 0 comments
    regex_pattern = r"(?!.*(I{4}|V{2,}|X{4}|L{2,}|C{4}|D{2,}|M{4})).*$"

import re
print(str(bool(re.match(regex_pattern, input()))))