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30-seconds-of-code/snippets/isAbsoluteURL.md
2022-06-08 09:34:23 +03:00

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Check if absolute URL string,browser,regexp intermediate blog_images/coffee-phone-tray-2.jpg 2017-12-31T14:42:45+02:00 2020-10-20T23:02:01+03:00

Checks if the given string is an absolute URL.

  • Use RegExp.prototype.test() to test if the string is an absolute URL.
const isAbsoluteURL = str => /^[a-z][a-z0-9+.-]*:/.test(str);
isAbsoluteURL('https://google.com'); // true
isAbsoluteURL('ftp://www.myserver.net'); // true
isAbsoluteURL('/foo/bar'); // false