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# lowercased()

Returns a lowercase version of the string.

```
func lowercased() -> String
```

## Return Value

A lowercase copy of the string.

## Discussion

Here’s an example of transforming a string to all lowercase letters.

```
let cafe = "BBQ Café 🍵"
print(cafe.lowercased())
// Prints "bbq café 🍵"
```

> Complexity: O(*n*)

---

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