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Url Validation With Url Constructor Development Tutorials, Guides & Insights

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Tutorial

Different Ways to Validate URLs in JavaScript

  • Pattern Breakdown:
  • ^(https?:\\/\\/)?: Matches the protocol (http:// or https://).
  • (([a-zA-Z0-9\\-\\.]+)\\.([a-zA-Z]{2,})): Matches domain names.
  • localhost: Matches localhost.
  • ((\\d{1,3}\\.){3}\\d{1,3}): Matches IPv4 addresses.
  • (\\:\\d+)?: Matches the port number.
  • (\\/[-a-zA-Z0-9%_@.&+=~]<em>)</em>$: Matches the path.

This regex pattern is basic and may not cover all edge cases. Creating a regex that matches all valid URLs while excluding invalid ones can be challenging.

Aug 29, 2024
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