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  1. x <- c("005", "0AB", "000", "0")
  2. sub("^0+(?!$)", "", x, perl=TRUE)
Success #stdin #stdout 0.2s 39268KB
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[1] "5"  "AB" "0"  "0"
https://ideone.com/Is7IF6
language:
R (R 3.5.2)
created:
4 years ago
visibility:
secret

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