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  1. string_before <- "aaajohn bbbjohn cccjohn johnaaa johnbbb johnccc"
  2. string_after <- gsub("(\\S+)john", "\\1jane", string_before)
  3. string_after
  4. ## also
  5. gsub("\\Bjohn", "jane", string_before)
Success #stdin #stdout 0.16s 175424KB
comments (?)
stdin 
Standard input is empty
stdout 
[1] "aaajane bbbjane cccjane johnaaa johnbbb johnccc"
[1] "aaajane bbbjane cccjane johnaaa johnbbb johnccc"
https://ideone.com/Pg9PiP
language:
R (R 3.5.2)
created:
6 years ago
visibility:
secret

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