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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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260 Discussions

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  • thangd595
     + 0 comments

    import re

    S = input()

    m = re.search(r'([a-zA-Z0-9])\1+', S)

    if m: print(m.group(1)) else: print(-1)

  • satyamroy173
     + 1 comment

    from itertools import groupby import re

    S = input() X = re.findall(r'[A-Za-z0-9]', S) alphanumeric = ''.join(X) groups = [char for char, group in groupby(alphanumeric) if len(list(group))>1] if len(groups)>0: print(groups[0]) else: print('-1')

  • MitalisWorkbench
     + 0 comments

    import re match = re.search(r'([A-Za-z0-9])\1', input()) print(match.group(1) if match else -1)

  • jakubszrajber12
     + 0 comments
    import re

s = input()

digits = re.finditer(r'(.)\1+', s)

for match in digits:
    char = match.group(1)
    if char.isalnum():
        print(char)
        break
else:
    print(-1)

  • jakubszrajber12
     + 0 comments

    import re

    s = input()

    digits = re.findall(r'(.)\1+', s)

    for char in digits: if char.isalnum(): print(char) break

    else: print(-1)