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colemar/Validate ip address format (bash)

Last active November 21, 2022 15:00
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Validate ip address format (bash)
ipaddr=144.24.81.189
[[ "$ipaddr." =~ ^((25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])[.]){4}$ ]] && echo "Well formed" || echo "Syntax error"
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