1"use strict"; 2const cidrRegex = require("cidr-regex"); 3const re4 = cidrRegex.v4({exact: true}); 4const re6 = cidrRegex.v6({exact: true}); 5 6const isCidr = module.exports = str => { 7 if (re4.test(str)) return 4; 8 if (re6.test(str)) return 6; 9 return 0; 10}; 11 12isCidr.v4 = str => re4.test(str); 13isCidr.v6 = str => re6.test(str); 14