---
title: isLowercase
framework: swift
role: symbol
role_heading: Instance Property
path: swift/character/islowercase
---

# isLowercase

A Boolean value indicating whether this character is considered lowercase.

## Declaration

```swift
var isLowercase: Bool { get }
```

## Discussion

Discussion Lowercase characters change when converted to uppercase, but not when converted to lowercase. The following characters are all lowercase: “é” (U+0065 LATIN SMALL LETTER E, U+0301 COMBINING ACUTE ACCENT) “и” (U+0438 CYRILLIC SMALL LETTER I) “π” (U+03C0 GREEK SMALL LETTER PI)

## See Also

### Checking a Character’s Case

- [isCased](swift/character/iscased.md)
- [isUppercase](swift/character/isuppercase.md)
- [uppercased()](swift/character/uppercased().md)
- [lowercased()](swift/character/lowercased().md)