fork(2) download 
  1. x <- c('I like the pizza', 'The water in the pool', 'the water in the pool')
  2. gsub("(?<!^)\\b(?:the|an?|[io]n|at|with|from)\\b(*SKIP)(*FAIL)|\\b(\\pL)", "\\U\\1", x, perl=T)
Success #stdin #stdout 0.46s 79168KB
comments (?)
stdin 
Standard input is empty
stdout 
[1] "I Like the Pizza"      "The Water in the Pool" "The Water in the Pool"
https://ideone.com/jmajK8
language:
R (R 3.5.2)
created:
9 years ago
visibility:
secret

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