fork download
copy 
  1. s <- "1-343-43Hello_2_323.14_fdh-99H"
  2. sub("^([^_]*_[^_]*).*", "\\1", s)
Success #stdin #stdout 0.46s 79168KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
[1] "1-343-43Hello_2"
https://ideone.com/qUeiOB
language:
R (R 3.5.2)
created:
8 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!