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  1. x <- "N-Acetyl-cysteine used Yes or no?No.
  2. Acetic acid used Yes or no?Y.
  3. NBI used Yes or no? Y.
  4. Diaphragmatic pinch:40cm
  5. : Y -33cm.
  6. Inlet patch - Yes or No: N.
  7. No loss of stain."
  8. cat(gsub(".*(?:no(?![?:])|[?:]\\s*N).*\\R*", "", x, perl=TRUE, ignore.case=TRUE), sep="\n")
Success #stdin #stdout 0.17s 175424KB
comments (?)
stdin 
Standard input is empty
stdout 
Acetic acid used Yes or no?Y.
NBI used Yes or no? Y.
Diaphragmatic pinch:40cm
: Y -33cm.
https://ideone.com/SGF2LT
language:
R (R 3.5.2)
created:
6 years ago
visibility:
secret

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