fork download
copy 
  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})\\})","\\1\\\\textbf{\\2}", text)
  3.  
Success #stdin #stdout 0.48s 79168KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
[1] "blah blah \\index{words}\\textbf{words}words ramble on"                            
[2] "more blah more blah\\index{space words}\\textbf{space words} space words ramble on"
[3] "final blah\\textbf{bold words} ramble on"
https://ideone.com/IWuDCY
language:
R (R 3.5.2)
created:
7 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!