"use strict"; const {v4, v6} = require("cidr-regex"); const re4 = v4({exact: true}); const re6 = v6({exact: true}); module.exports = str => re4.test(str) ? 4 : (re6.test(str) ? 6 : 0); module.exports.v4 = str => re4.test(str); module.exports.v6 = str => re6.test(str);