---
title: isUppercase
framework: swift
role: symbol
role_heading: Instance Property
path: swift/character/isuppercase
---

# isUppercase

A Boolean value indicating whether this character is considered uppercase.

## Declaration

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

## Discussion

Discussion Uppercase characters vary under case-conversion to lowercase, but not when converted to uppercase. The following characters are all uppercase: “É” (U+0045 LATIN CAPITAL LETTER E, U+0301 COMBINING ACUTE ACCENT) “И” (U+0418 CYRILLIC CAPITAL LETTER I) “Π” (U+03A0 GREEK CAPITAL LETTER PI)

## See Also

### Checking a Character’s Case

- [isCased](swift/character/iscased.md)
- [uppercased()](swift/character/uppercased().md)
- [isLowercase](swift/character/islowercase.md)
- [lowercased()](swift/character/lowercased().md)