Files
EMS-ESP32/interface/src/validators/isHostname.ts
2021-05-07 10:15:29 +02:00

9 lines
328 B
TypeScript

const hostnameLengthRegex = /^.{0,48}$/
const hostnamePatternRegex = /^(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9-]*[a-zA-Z0-9])\.)*([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9-]*[A-Za-z0-9])$/
export default function isHostname(hostname: string) {
return (
hostnameLengthRegex.test(hostname) && hostnamePatternRegex.test(hostname)
)
}