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  1. vec <- c("http://s...content-available-to-author-only...v.scot/id/statistical-geography/S02000002",
  2.          "http://s...content-available-to-author-only...v.scot/id/statistical-geography/S02000003")
  3. sub(".*(S\\d{8})", "\\1", vec)
Success #stdin #stdout 0.47s 79168KB
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[1] "S02000002" "S02000003"
https://ideone.com/q7SGj8
language:
R (R 3.5.2)
created:
8 years ago
visibility:
secret

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