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    net.isIPv4

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    net.isIPv4(input): boolean
    Attributes
    input:string
    Returns:boolean

    Returns true if input is an IPv4 address in dot-decimal notation with no leading zeroes. Otherwise, returns false.

    net.isIPv4('127.0.0.1'); // returns true
net.isIPv4('127.000.000.001'); // returns false
net.isIPv4('127.0.0.1/24'); // returns false
net.isIPv4('fhqwhgads'); // returns false
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