bitburner-src/utils/helpers/isValidIPAddress.ts

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/**
* Checks whether a IP Address string is valid.
* @param ipaddress A string representing a potential IP Address
*/
export function isValidIPAddress(ipaddress: string) {
const byteRange: string = "(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)";
const regexStr: string = `^${byteRange}\.${byteRange}\.${byteRange}\.${byteRange}$`;
const ipAddressRegex: RegExp = new RegExp(regexStr);
return ipAddressRegex.test(ipaddress);
}