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  1. x<-"Saint  A/74/PV.46 12/12/2019 4/66 19-40538 Lucia"
  2. gsub("\\s*(?<!\\S)(?!\\p{L}+(?!\\S))\\S+", "", x, perl=TRUE)
  3. library(stringr)
  4. str_replace_all(x, "\\s*(?<!\\S)(?!\\p{L}+(?!\\S))\\S+", "")
Success #stdin #stdout 0.23s 43208KB
comments (?)
stdin 
Standard input is empty
stdout 
[1] "Saint Lucia"
[1] "Saint Lucia"
https://ideone.com/eG0exO
language:
R (R 3.5.2)
created:
5 years ago
visibility:
secret

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