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  1. #!/bin/bash
  2. f="192.168.1.1
  3. 10.135.135.2"
  4. ip=$(grep -Eo '((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)' <<< "$f")
  5. echo "$ip"
Success #stdin #stdout 0s 4328KB
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stdin
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Standard input is empty
stdout
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192.168.1.1
10.135.135.2
https://ideone.com/yeFQgZ
language:
Bash (bash 5.0.3)
created:
5 years ago
visibility:
secret

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