---
title: "hasMember(inPlane:)"
framework: foundation
role: symbol
role_heading: Instance Method
path: "foundation/characterset/hasmember(inplane:)"
---

# hasMember(inPlane:)

Returns true if the CharacterSet has a member in the specified plane.

## Declaration

```swift
func hasMember(inPlane plane: UInt8) -> Bool
```

## Discussion

Discussion This method makes it easier to find the plane containing the members of the current character set. The Basic Multilingual Plane (BMP) is plane 0.

## See Also

### Combining Character Sets

- [formIntersection(_:)](foundation/characterset/formintersection(_:).md)
- [formSymmetricDifference(_:)](foundation/characterset/formsymmetricdifference(_:).md)
- [formUnion(_:)](foundation/characterset/formunion(_:).md)
- [insert(charactersIn:)](foundation/characterset/insert(charactersin:)-2syuj.md)
- [intersection(_:)](foundation/characterset/intersection(_:).md)
- [invert()](foundation/characterset/invert().md)
- [isSuperset(of:)](foundation/characterset/issuperset(of:).md)
- [remove(charactersIn:)](foundation/characterset/remove(charactersin:)-3sayw.md)
- [subtracting(_:)](foundation/characterset/subtracting(_:).md)
- [symmetricDifference(_:)](foundation/characterset/symmetricdifference(_:).md)
- [union(_:)](foundation/characterset/union(_:).md)