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Regex Examples and Cookbook/Domain name

Match a basic domain or subdomain name.

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Section: Validation Recipes

Domain name

regex
regex
^(?:[A-Za-z0-9](?:[A-Za-z0-9-]{0,61}[A-Za-z0-9])?\.)+[A-Za-z]{2,}$
Explanation

Good for a simple domain shape check.

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