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  1. file1 <- "example.txt"
  2. file2 <- "example.ffe.2f2.csv"
  3. files <- c(file1,file2)
  4. regmatches(files, regexpr(".*(?=[.])", files, perl=TRUE))
Success #stdin #stdout 0.16s 178496KB
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stdin
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Standard input is empty
stdout
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[1] "example"         "example.ffe.2f2"
https://ideone.com/Xi66OC
language:
R (R 3.5.2)
created:
6 years ago
visibility:
secret

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