Check if a URL is absolute
Written byPhuoc Nguyen
Created
15 May, 2020
Last updated
13 Oct, 2021
Category
String
JavaScript version
isAbsoluteUrl.js
const isAbsoluteUrl = (url) => /^[a-z][a-z0-9+.-]*:/.test(url);TypeScript version
isAbsoluteUrl.ts
const isAbsoluteUrl = (url: string): boolean => /^[a-z][a-z0-9+.-]*:/.test(url);Examples
examples.js
isAbsoluteUrl('https://phuoc.ng'); // true
isAbsoluteUrl('https://phuoc.ng/collection/1-loc'); // true
isAbsoluteUrl('phuoc.ng'); // false
isAbsoluteUrl('//phuoc.ng'); // false
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Phước Nguyễn