IsURL

Since v1.3.0

Check if a string type matches a valid URL format. Returns true if the string matches the URL pattern with a protocol and domain, otherwise returns false.

Signature

export type IsURL<T extends string> = T extends `${'http' | 'https'}://${string}.${string}`
	? true
	: false

Parameters

Parameter	Description
T	The string type to validate as URL

Examples

Basic Usage

import type { IsURL } from 'uni-types'

type ValidHttp = IsURL<'http://example.com'> // true
type ValidHttps = IsURL<'https://example.com'> // true
type Invalid = IsURL<'not-a-url'> // false

With Path and Query

import type { IsURL } from 'uni-types'

type WithPath = IsURL<'https://example.com/path/to/page'> // true
type WithQuery = IsURL<'https://example.com?page=1&limit=10'> // true
type MissingProtocol = IsURL<'example.com'> // false