What is the regex for domain name?

/\b(?:[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?\.)+[a-zA-Z]{2,}\b/g — Matches a domain name with one or more labels and a letter-only top-level domain.

Regex · Domain name · Free

Domain name regex.

Matches a domain name with one or more labels and a letter-only top-level domain. Copy the pattern below, see what it matches, then tweak it for your exact case with the free generator.

The pattern

/\b(?:[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?\.)+[a-zA-Z]{2,}\b/g

✓ Matches

mindloomhq.comsub.example.co.uka-b.io

✗ Doesn't match

localhostexample-bad.com

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Describe the match

Flavor

Other common patterns

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