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  1. x <- c("1 Afghanistan  6.4", "2 Albania 22.9", "3 Algeria 7.7", "4 Angola 5.7", "5 Argentina 37.2", "Armenia 22.0", "7 Australia 34.3 [2]", "8 Austria 43.4")
  2. gsub("\\s*\\[\\d+]", "", x)
Success #stdin #stdout 0.21s 39088KB
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[1] "1 Afghanistan  6.4" "2 Albania 22.9"     "3 Algeria 7.7"     
[4] "4 Angola 5.7"       "5 Argentina 37.2"   "Armenia 22.0"      
[7] "7 Australia 34.3"   "8 Austria 43.4"
https://ideone.com/vywDuK
language:
R (R 3.5.2)
created:
7 years ago
visibility:
secret

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