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  1. x <- c("Folder//Subfolder/study30/01_study30_Baseline.xlsx", "Folder//study30/01_study30_6M.xlsx")
  2. sub("^(?:.*_)?([^_/]+)\\.xlsx$", "\\1", x)
Success #stdin #stdout 0.28s 38472KB
comments (?)
stdin 
Standard input is empty
stdout 
[1] "Baseline" "6M"
https://ideone.com/LL8iVA
language:
R (R 3.5.2)
created:
2 years ago
visibility:
secret

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