fork download
copy 
  1. x <- c("A12_SITE_1234_J_vvv.csv","A12_SITA_1234J_vvv.csv", "A12_SITE_1678_H_vvv.csv", "A12_SITE_145C_vvv.csv")
  2. sub("(.*[0-9])([A-Z])", "\\1_\\2", x)
Success #stdin #stdout 0.22s 183680KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
[1] "A12_SITE_1234_J_vvv.csv" "A12_SITA_1234_J_vvv.csv"
[3] "A12_SITE_1678_H_vvv.csv" "A12_SITE_145_C_vvv.csv"
https://ideone.com/uaX2Mz
language:
R (R 3.5.2)
created:
6 years ago
visibility:
secret

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!