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  1. #!/bin/bash
  2. s="111
  3. ipv4 12.34.33.4
  4. www
  5. ipv4 12.34.33.2
  6. ipv4 12.34.33.5"
  7. sed -E '/ipv4/{s/[0-9]{1,3}(\.[0-9]{1,3}){3}/x.x.x.x/g;T;:a;n;ba}' <<< "$s"
Success #stdin #stdout 0s 19632KB
comments (?)
stdin 
Standard input is empty
stdout 
111
ipv4 x.x.x.x
www
ipv4 12.34.33.2
ipv4 12.34.33.5
https://ideone.com/RZzuzF
language:
Bash (bash 5.0.3)
created:
6 years ago
visibility:
secret

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