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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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264 Discussions

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  • dilajevolves
     + 0 comments
    s = input()
for i in range(1,len(s)):
    if s[i].isalnum() and s[i] == s[i-1]:
        print(s[i])
        break
else:
    print(-1)

  • dilajevolves
     + 0 comments
    import re
if result := re.search(r'([a-zA-Z0-9])\1',input()):
    print(result.group(1))
else:
    print(-1)

  • shanukadsamaran1
     + 0 comments

    word = input() for i in word: if i.isalnum(): y = i+i if y in word: print(i) break else: print(-1)

  • mohamedhari317
     + 0 comments
    import re
m=re.search(r"([a-zA-Z0-9])\1+",input())
if m:
    print(m.group(1))
else:
    print(-1)

  • 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)