fork download 
  1. #!/bin/bash
  2. s='https://s...content-available-to-author-only...n.tld/[...]
  3. https://s...content-available-to-author-only...n.tld/test/[...]
  4. https://s...content-available-to-author-only...n.tld/[...]
  5. https://s...content-available-to-author-only...n.tld/files/[...]'
  6. sed -En 's~https?://([[:alnum:]-]+)\.stage\.domain\.tld.*~\1~p' <<< "$s"
Success #stdin #stdout 0s 4516KB
comments (?)
stdin 
Standard input is empty
stdout 
subdomain1
subdomain2
https://ideone.com/6i25DM
language:
Bash (bash 5.0.3)
created:
5 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!