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  1. x <- "2019/01/01/07/556662_cba3a4fc-cb8f-4150-859f-5f21a38373d0"
  2. regmatches(x, regexpr(".*/\\K[^_]+", x, perl=TRUE))
  3. sub(".*/([^_]+).*", "\\1", x)
Success #stdin #stdout 0.18s 185728KB
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Standard input is empty
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[1] "556662"
[1] "556662"
https://ideone.com/sQfTLG
language:
R (R 3.5.2)
created:
6 years ago
visibility:
secret

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