wiki/content/20201123103315-lowercase.md

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2024-05-06 20:40:05 +00:00
---
id: 51e8b29a-b87a-4022-8287-36b8090fe83b
title: Lowercase
---
# Description
Transforms every string character to lowercase for [string literal
types](20201123101810-typescript_template_literal_string_type).
# Syntax
``` typescript
type UnenthusiasticGreeting<T extends string> = `${Lowercase<T>}`
type HELLO = UnenthusiasticGreeting<"HELLO">;
// same as
// type HELLO = "hello";
```