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  1. import re
  2. word = "string_str     word"
  3. print(re.sub(r"[ ](?=[ ])",' |', word))
Success #stdin #stdout 0.02s 9488KB
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Standard input is empty
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string_str | | | | word
https://ideone.com/puxeBk
language:
Python 3 (python  3.9.5)
created:
4 years ago
visibility:
public

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