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  1. S1 <- "\n3   5"
  2. gsub("([^\n])(\\s{1})?", "\\1", S1)
  3. gsub("([^\\\\n])(\\s{1})?", "\\1", S1, perl=TRUE)
  4.  
  5. # Removing newline, too
  6. gsub("\n([^\n])(\\s{1})?", "\\1", S1)
  7. gsub("\\n([^\n])(\\s{1})?", "\\1", S1)
  8. gsub("\n([^\\\\n])(\\s{1})?", "\\1", S1, perl=TRUE)
  9. gsub("\\n([^\\\\n])(\\s{1})?", "\\1", S1, perl=TRUE)
  10.  
  11. gsub("(?n)(.)(\\s{1})?", "\\1", S1)
Success #stdin #stdout 0.23s 39588KB
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stdin
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Standard input is empty
stdout
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[1] "\n3 5"
[1] "\n3 5"
[1] "3  5"
[1] "3  5"
[1] "3  5"
[1] "3  5"
[1] "\n3 5"
https://ideone.com/X8aPdh
language:
R (R 3.5.2)
created:
7 years ago
visibility:
secret

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