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  1. x <- c("123AB123 CDe FG123-4", "ABCD A123B")
  2. regmatches(x, gregexpr("(?<!\\S)(?=\\S*\\p{L})(?=\\S*\\d)\\S+", x, perl=TRUE))
  3.  
Success #stdin #stdout 0.16s 178496KB
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[[1]]
[1] "123AB123" "FG123-4" 

[[2]]
[1] "A123B"
https://ideone.com/UbMgE6
language:
R (R 3.5.2)
created:
8 years ago
visibility:
secret

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