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  1. t = "And on 3rd day, he created the 1st of his 22 books, not including the 3 that were never published - this was the 2nd time this happened."
  2.      print(t.gsub(/\s*\d+(?!st|th|rd|nd)\s*/, " "))#=>And on 3rd day, he created the 1st of his books, not including the that were never published - this was the 2nd time this happened.
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And on 3rd day, he created the 1st of his books, not including the that were never published - this was the 2nd time this happened.
https://ideone.com/twDY1I
language:
Ruby (ruby 2.5.5)
created:
9 years ago
visibility:
public

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