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  1. a <- "I hate extra spaces elephant"
  2. gsub("(?:\\G(?!^)|(?<!\\S)\\S{5})\\K\\S", ".", a, perl = TRUE)
Success #stdin #stdout 0.28s 39276KB
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Standard input is empty
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[1] "I hate extra space. eleph..."
https://ideone.com/GFQ1Y3
language:
R (R 3.5.2)
created:
3 years ago
visibility:
secret

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