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  1. def caesar_cipher(str, key)
  2. 	str1 = str.split(//)
  3. 	arr = []
  4. 	str1.each do |ch|
  5. 		temp = ch
  6. 		if (/\w/.match(temp))	
  7. 			key.times do
  8. 				if (/[^zZ]/.match(temp))
  9. 					temp.next!
  10. 				elsif (/[z]/.match(temp))
  11. 					temp = "a"
  12. 				elsif (/[Z]/.match(temp))
  13. 					temp = "A"
  14. 				end
  15. 			end
  16. 		end
  17. 		arr << temp
  18. 	end
  19. 	arr.join
  20. end
  21.  
  22. puts caesar_cipher("What a string!", 5)
Success #stdin #stdout 0.05s 9656KB
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Standard input is empty
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Bmfy f xywnsl!
https://ideone.com/jYYwGO
language:
Ruby (ruby 2.5.5)
created:
8 years ago
visibility:
public

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