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yavgel85/isAbsoluteURL.js

Created March 26, 2021 11:35
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isAbsoluteURL #js
Raw
isAbsoluteURL.js
// 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);
// Examples
isAbsoluteURL('https://google.com'); // true
isAbsoluteURL('ftp://www.myserver.net'); // true
isAbsoluteURL('/foo/bar'); // false
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