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  1. targettext <- c("DOG MOUSE CAT","DOG MOUSE:CAT","DOG_MOUSE9CAT","MOUSE9CAT","DOG_MOUSE")
  2. searchwords <- c("MOUSE","FROG")
  3. grep(paste0("(?<![A-Z])(?:", paste(searchwords, collapse = "|"), ")(?![A-Z])"), targettext, perl=TRUE)
Success #stdin #stdout 0.21s 60752KB
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https://ideone.com/cdOUse
language:
R (R 3.5.2)
created:
7 years ago
visibility:
secret

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