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  1. import re
  2.  
  3. text = """"
  4. \nword1     meanings
  5. \nword123         measings
  6. \nword12345        meanings
  7. """
  8.  
  9. maxLen = len(max(re.findall(r"^\S+", text, re.M), key=len))
  10. result = re.sub(r"(\S+)[^\S\r\n]+", lambda m: '{{:{}s}}'
  11.                 .format(str(maxLen + 1))
  12.                 .format(m.group(1)),
  13.                 text)
  14. print(result)
Success #stdin #stdout 0.03s 9480KB
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"

word1     meanings

word123   measings

word12345 meanings
https://ideone.com/eANDMC
language:
Python 3 (python  3.9.5)
created:
2 years ago
visibility:
secret

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