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  1. s <- "RR TT"
  2. gsub("(\\w+)", "\\l\\1", s, perl=TRUE)
  3. gsub("(\\w+)", "\\L\\1", s, perl=TRUE)
  4. s <- "rr tt"
  5. gsub("(\\w+)", "\\u\\1", s, perl=TRUE)
  6. gsub("(\\w+)", "\\U\\1", s, perl=TRUE)
Success #stdin #stdout 0.16s 176384KB
comments (?)
stdin 
Standard input is empty
stdout 
[1] "lRR lTT"
[1] "rr tt"
[1] "urr utt"
[1] "RR TT"
https://ideone.com/LHeMe1
language:
R (R 3.5.2)
created:
8 years ago
visibility:
secret

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