fork download 
  1. input = "I am a football fan"
  2. gsub("(?i)\\b[a-z]\\b", "REPLACEMENT", input, perl=T) ## To replace 1 ASCII letter words
  3. gsub("(?i)\\b[a-z]{2}\\b", "REPLACEMENT", input, perl=T) ## To replace 2 ASCII letter words
  4.  
Success #stdin #stdout 0.45s 79168KB
comments (?)
stdin 
Standard input is empty
stdout 
[1] "REPLACEMENT am REPLACEMENT football fan"
[1] "I REPLACEMENT a football fan"
https://ideone.com/x2eHQB
language:
R (R 3.5.2)
created:
9 years ago
visibility:
secret

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