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  1. import re
  2.  
  3. pattern="^(?:\S.*\n)*.*((?<=^abc )\d+|x(?==\d+$))"
  4. s = ("x=0\n"
  5. 	"abc 20    \n"
  6. 	"def 76   \n"
  7. 	"ghi 11\n\n"
  8. 	"x=1\n"
  9. 	"def 45\n"
  10. 	"ghi 32\n\n"
  11. 	"x=2\n"
  12. 	"jkl 56\n"
  13. 	"mno 76\n"
  14. 	"abc 134\n\n"
  15. 	".\n"
  16. 	".\n"
  17. 	".\n\n"
  18. 	"x=393\n"
  19. 	"xyz 21\n"
  20. 	"abc 9\n\n"
  21. 	"x=394\n"
  22. 	"ghi\n"
  23. 	"def\n"
  24. 	"xyz")
  25.  
  26. res=re.findall(pattern, s, re.M)
  27. print(res)
Success #stdin #stdout 0.03s 9580KB
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stdin
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Standard input is empty
stdout
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['20', 'x', '134', '9', 'x']
https://ideone.com/eEnSDS
language:
Python 3 (python  3.12)
created:
2 years ago
visibility:
secret

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