isNetworkValid()

isNetworkValid(network)

Description

Method that allows you to check the correctness of the ip network.
Correct ip network address must be a string in X.X.X.X/PREF format, where X.X.X.X is a correct ip address, and PREF is a correct ip prefix.
Also 'host part' (that determined by ip prefix) of address must be filled by zeros.

Contract

Parameters:

• network — value, that will be checked.

Return:

• true/false

Usage

ipv4.isNetworkValid('0.0.0.0/0')          // true
ipv4.isNetworkValid('255.255.255.255/32') // true
ipv4.isNetworkValid('0.0.0.0/32')         // true
ipv4.isNetworkValid('123.122.120.0/22')   // true
ipv4.isNetworkValid('10.0.0.0/31')        // true

ipv4.isNetworkValid('10.0.0.1/31')        // false
ipv4.isNetworkValid('123.122.120.0/20')   // false
ipv4.isNetworkValid('125.12.28.64/24')    // false
ipv4.isNetworkValid('123.123.10.1')       // false
ipv4.isNetworkValid(['0.0.0.0', '/0'])    // false

• Is used in other methods.