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  1. ids <- c("7", "8", "ids")
  2. paste0("(?:", paste(ids, collapse="|"), ")$")
Success #stdin #stdout 0.24s 183680KB
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Standard input is empty
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[1] "(?:7|8|ids)$"
https://ideone.com/5N2UJ3
language:
R (R 3.5.2)
created:
6 years ago
visibility:
secret

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