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  1. x = c('Kält', 'normal', 'normal with, punctuation ~-+!', 'normal with number 1234')
  2. grep(pattern = "[^[:ascii:]]", x, perl=TRUE) 
  3. grep(pattern = "[^[:ascii:]]", x, value=TRUE, perl=TRUE)
Success #stdin #stdout 0.22s 60752KB
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Standard input is empty
stdout
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[1] 1
[1] "Kält"
https://ideone.com/vxav28
language:
R (R 3.5.2)
created:
8 years ago
visibility:
secret

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