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jmpark0118 / CODING_TEST_PRACTICE

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Practice>Python>Regex and Parsing>Group(), Groups() & Groupdict() #97

Open jmpark0118 opened 3 years ago

jmpark0118 commented 3 years ago

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출처 : https://www.hackerrank.com/challenges/re-group-groups/problem

jmpark0118 commented 3 years ago 

import re

if __name__ == '__main__':
    m = re.search(r'([a-zA-Z0-9])\1+', input().strip())
    print(m.group(1) if m else -1)