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  1. # coding=utf8
  2.  
  3. import re
  4.  
  5. regex = r"(\bnull_word\b)|_+"
  6.  
  7. test_str = ("Today _asf was a null_word day__and __bla__bla\n\n"
  8. 	"Today _asf was a null__word day__and __bla__bla")
  9.  
  10. result = re.sub(regex, r" \1", test_str)
  11.  
  12. if result:
  13.     print (result)
  14.  
  15.  
Success #stdin #stdout 0.02s 9500KB
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Standard input is empty
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Today  asf was a  null_word day and  bla bla

Today  asf was a null word day and  bla bla
https://ideone.com/Vmamvg
language:
Python 3 (python  3.12)
created:
6 years ago
visibility:
public

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