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  1. x <- c("[ghjg6] [fdg5] [113gi4lki] great work", "[xzswedc: acf] [xzt8] [111eerrh5]", "[asd2] [1] [113vu17hg 115er5lgr 112cgnmbh ] get out", "Some text with no brackets")
  2. df <- data.frame(x)
  3. df$x = sub(".*\\[([^][]+)].*", "\\1", df$x)
  4. df
Success #stdin #stdout 0.17s 176320KB
comments (?)
stdin 
Standard input is empty
stdout 
                               x
1                      113gi4lki
2                      111eerrh5
3 113vu17hg 115er5lgr 112cgnmbh 
4     Some text with no brackets
https://ideone.com/ORz5P5
language:
R (R 3.5.2)
created:
8 years ago
visibility:
secret

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