5.0.3 • Published 12 months ago
is-cidr v5.0.3
is-cidr
Check if a string is an IP address in CIDR notation
Install
npm i is-cidr
Usage
import isCidr from "is-cidr";
isCidr("192.168.0.1/24"); //=> 4
isCidr("1:2:3:4:5:6:7:8/64"); //=> 6
isCidr("10.0.0.0"); //=> 0
isCidr.v6("10.0.0.0/24"); //=> false
API
isCidr(input)
Check if input
is a IPv4 or IPv6 CIDR address. Returns either 4
, 6
(indicating the IP version) or 0
if the string is not a CIDR.
isCidr.v4(input)
Check if input
is a IPv4 CIDR address. Returns a boolean.
isCidr.v6(input)
Check if input
is a IPv6 CIDR address. Returns a boolean.
Related
- cidr-regex - Regular expression for matching IP addresses in CIDR notation
- is-ip - Check if a string is an IP address
- ip-regex - Regular expression for matching IP addresses
- cidr-tools - Tools to work with IPv4 and IPv6 CIDR network lists
License
© silverwind, distributed under BSD licence
Based on previous work by Felipe Apostol
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