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  1. import re
  2.  
  3. strings = [
  4.     "home   travel or home   visit or home    flight",
  5.     "travel or visit or flight"
  6. ]
  7. pattern = r"\b((?:home|parents)\s+(?:flight|visit|travel))\b|\b(?:flight|visit|travel)\b"
  8. for s in strings:
  9.     print(
  10.         re.sub(
  11.             pattern,
  12.             lambda x: x.group(1) if x.group(1) else "[replacement here]",
  13.             s
  14.         )
  15.     )
Success #stdin #stdout 0.03s 9448KB
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stdin
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Standard input is empty
stdout
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home   travel or home   visit or home    flight
[replacement here] or [replacement here] or [replacement here]
https://ideone.com/Ni6fcl
language:
Python 3 (python  3.12)
created:
4 years ago
visibility:
secret

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