Kode Keith smudge1977
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| # Regex to match the first IP address for the interface br0 | |
| REGEX="(\b25[0-5]|\b2[0-4][0-9]|\b[01]?[0-9][0-9]?)(\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}" | |
| [[ $(ip -4 address | grep -A1 "br0") =~ $REGEX ]] | |
| echo "${BASH_REMATCH[0]}" |