> For the complete documentation index, see [llms.txt](https://docs.cheddar.vihan.org/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.cheddar.vihan.org/docs/standard-library/string/upper.md).

# Upper

| type   | returns  |
| ------ | -------- |
| Getter | `string` |

## Explanation

Returns the string with all applicable characters transformed into their uppercase counterparts.

## Examples

```swift
"Hello".upper == "HELLO"
"123".upper == "123"
"Hello, World!" == "HELLO, WORLD!"
```