8 lines
253 B
TypeScript
8 lines
253 B
TypeScript
import { isDefined } from './isDefined';
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export const isDomain = (url: string | undefined | null) =>
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isDefined(url) &&
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/^((?!-))(xn--)?[a-z0-9][a-z0-9-_]{0,61}[a-z0-9]{0,1}\.(xn--)?([a-z0-9-]{1,61}|[a-z0-9-]{1,30}\.[a-z]{2,})$/.test(
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url,
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);
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