# isspace

Determine which characters are space.

## Syntax

* res = isspace(str)

## Input argument

* str - scalar, vector, matrix or multidimensional array.

## Output argument

* res - logical array

## Description

isletter determines which characters are space characters.

## Examples

```matlab
isspace('Nel Son')
```

```matlab
isspace("六書 six writings")
```

## See also

[isletter](isletter).

## History

| Version | Description     |
| ------- | --------------- |
| 1.3.0   | initial version |

## Author

Allan CORNET
