/
\b(?:(?<FirstOctet>(?:25[0-5]|2[0-4][0-9]|[0-1][0-9]{2})|(?:[0-9]{1,2}))\.(?<SecondOctet>(?:25[0-5]|2[0-4][0-9]|[0-1][0-9]{2})|(?:[0-9]{1,2}))\.(?<ThirdOctet>(?:25[0-5]|2[0-4][0-9]|[0-1][0-9]{2})|(?:[0-9]{1,2}))\.(?<FourthOctet>(?:25[0-5]|2[0-4][0-9]|[0-1][0-9]{2})|(?:[0-9]{1,2}))){1}\b
/
gm