net.isIP

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net.isIP(input): integer

Attributes

input:string

Returns:integer

Returns 6 if input is an IPv6 address, including an IPv4-mapped IPv6 address. Returns 4 if input is an IPv4 address in dot-decimal notation with no leading zeroes. Otherwise, returns 0.

net.isIP('::1'); // returns 6
net.isIP('::ffff:127.0.0.1'); // returns 6
net.isIP('127.0.0.1'); // returns 4
net.isIP('127.000.000.001'); // returns 0
net.isIP('127.0.0.1/24'); // returns 0
net.isIP('fhqwhgads'); // returns 0

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