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  1. examples <- c('Ben likes bananas. I have a banana.','Ben likes mangoes. I have a mango.','Ben likes plums. I have a plum.')
  2.  
  3. words <- c('bananas', 'mangoes', 'plums')
  4. regex <- paste0('\\b(', paste(words, collapse='|'), ')\\b')
  5.  
  6. unlist(regmatches(examples, gregexpr(regex, examples)))
Success #stdin #stdout 0.25s 39612KB
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Standard input is empty
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[1] "bananas" "mangoes" "plums"
https://ideone.com/sHuuhP
language:
R (R 3.5.2)
created:
5 years ago
visibility:
secret

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