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  1. # your code goes here
  2.  
  3. gsub("(?:^.*?keyword\\b|\\G(?!^))[^\\[\\]]*\\K[\\[\\]]", "", "ab[ cd] ef keyword [ gh ]keyword ij ", perl=T)
Success #stdin #stdout 0.21s 39444KB
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Standard input is empty
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[1] "ab[ cd] ef keyword  gh keyword ij "
https://ideone.com/Qhsgxj
language:
R (R 3.5.2)
created:
4 years ago
visibility:
public

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