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  1. import re
  2.  
  3. str = """everything\n"
  4. 	"running \n"
  5. 	"catching\n"
  6. 	"nothing\n"
  7. 	"this is a testing testhing"""
  8. print(re.findall(r"\b(?!\w*thing\b)\w*ing\b", str))
Success #stdin #stdout 0.01s 27712KB
comments (?)
stdin 
Standard input is empty
stdout 
['running', 'catching', 'testing']
https://ideone.com/R3sRhW
language:
Python 3 (python  3.12)
created:
7 years ago
visibility:
public

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