IsEmail

Since v1.3.0

Check if a string type matches a valid email format. Returns true if the string matches the email pattern, otherwise returns false.

Signature

export type IsEmail<T extends string> = T extends `${string}@${string}.${string}`
	? true
	: false

Parameters

Parameter	Description
T	The string type to validate as email

Examples

Basic Usage

import type { IsEmail } from 'uni-types'

type Valid = IsEmail<'user@example.com'> // true
type Invalid = IsEmail<'not-an-email'> // false

Type Constraints

import type { IsEmail } from 'uni-types'

type CheckEmail = IsEmail<'test.name@domain.co.uk'> // true
type MissingAt = IsEmail<'userexample.com'> // false
type MissingDomain = IsEmail<'user@'> // false