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  1. a <- c("{.package:base73","for.package:base476",":.package:base9","print.package:graphics834")
  2. unlist(regmatches(a, regexec("package:\\K\\D+", a, perl=TRUE)))
Success #stdin #stdout 0.28s 41052KB
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[1] "base"     "base"     "base"     "graphics"
https://ideone.com/dqMKfB
language:
R (R 3.5.2)
created:
1 year ago
visibility:
secret

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