Regex check is valid ip

((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)(\.|$)){4}

Source: stackoverflow.com

Regex check is valid ip

"((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)(\.|$)){4}
"

Source: stackoverflow.com

Regex ip rage detect

//Example 192.168-192.178
//192.168.0.1-192.168.0.255
(?<ipstart>(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])([\.]*)){4})-(?<ipend>(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])([\.]*)){4})$

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