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  1. text <- c("blah blah \\index{words}words ramble on", "more blah more blah\\index{space words} space words ramble on","final blah\\textbf{bold words} ramble on")
  2. gsub("\\\\index\\{(\\w+(?:\\s+\\w+){0,4})\\}","\\\\textbf{\\1}", text)
  3.  
Success #stdin #stdout 0.48s 79168KB
comments (?)
stdin 
Standard input is empty
stdout 
[1] "blah blah \\textbf{words}words ramble on"                      
[2] "more blah more blah\\textbf{space words} space words ramble on"
[3] "final blah\\textbf{bold words} ramble on"
https://ideone.com/wUNK52
language:
R (R 3.5.2)
created:
9 years ago
visibility:
public

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