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  1. TOKENS = ["of", "/"]
  2. re = /\d+[[:space:]]*#{Regexp.union(TOKENS)}[[:space:]]*\d+/
  3. puts re
  4. name = "10F 2017"
  5. puts name.gsub!(re, '#')
Success #stdin #stdout 0s 28688KB
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Standard input is empty
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(?-mix:\d+[[:space:]]*(?-mix:of|\/)[[:space:]]*\d+)
https://ideone.com/31oMg7
language:
Ruby (ruby 2.5.5)
created:
8 years ago
visibility:
public

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