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  1. x <- c("GO_POSITIVE_REGULATION_OF_VIRAL_TRANSCRIPTION","POSITIVE_REGULATION_OF_VIRAL_TRANSCRIPTION")
  2. gsub("(?:\\G(?!^)|^GO_)([^_]*)_", "\\1 ", x, perl=TRUE)
Success #stdin #stdout 0.19s 183680KB
comments (?)
stdin 
Standard input is empty
stdout 
[1] "POSITIVE REGULATION OF VIRAL TRANSCRIPTION"
[2] "POSITIVE_REGULATION_OF_VIRAL_TRANSCRIPTION"
https://ideone.com/qMRt8f
language:
R (R 3.5.2)
created:
4 years ago
visibility:
secret

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