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  1. str <- c("FOO_1", "FOO_2", "BAR_1", "BAR_2")
  2. sub("^(FOO.*)_1$", "\\1_A", str)
Success #stdin #stdout 0.16s 175424KB
comments (?)
stdin 
Standard input is empty
stdout 
[1] "FOO_A" "FOO_2" "BAR_1" "BAR_2"
https://ideone.com/Nxqsi9
language:
R (R 3.5.2)
created:
6 years ago
visibility:
secret

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