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  1. X <- c("ABC(DEF)", "ABC")
  2. sub(".*(?:\\((.*)\\)).*|.*", "\\1",X)
Success #stdin #stdout 0.47s 79168KB
comments (?)
stdin 
Standard input is empty
stdout 
[1] "DEF" ""
https://ideone.com/pq2NmX
language:
R (R 3.5.2)
created:
7 years ago
visibility:
public

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