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  1. Prepare
  2. Python
  3. Regex and Parsing
  4. Group(), Groups() & Groupdict()
  5. Discussions

Group(), Groups() & Groupdict()

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250 Discussions

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  • babafun
     + 0 comments
    import re
print((m := re.search(r"([a-zA-Z0-9])\1", input())) and m.group(1) or -1)

  • datameetsyash
     + 0 comments
    import re
print((lambda m: m.group(1) if m else -1)(re.search(r"([a-zA-Z0-9])\1", input())))``

  • parthkejriwal18
     + 0 comments

    import re a=input() m=re.search(r'([a-z A-Z 0-9])\1', a) print(m.groups()[0]) if m else print(-1)

  • loucifsk
     + 0 comments
    import sys, re

S = sys.stdin.read()
S = re.sub(r"[\W|_]*", '', S)

match = re.search(r"(\w)\1{1,}", S)

if match:
    print(match.group()[0])
else:
    print('-1')

  • ericstricker73
     + 0 comments
    import re
pattern = r'([A-Za-z0-9])\1+'
l = re.findall(pattern , input().strip())
print( l[0] if len(l) != 0 else -1)