isspace

Determine which characters are spaces

Since R2021b

Syntax

tf = isspace(str)

Description

tf = isspace(str) returns a Boolean array based on whether each character of str is a space or not.

Note

The isspace operator is not supported in Stateflow^® charts that use C as the action language.

Examples

Determine Which Characters of a String Are Spaces

Create a Boolean vector of the form [0 0 0 0 0 0 1 0 0 0 0 0 0].

str = "Hello, world!";
X = isspace(str);

Input Arguments

str — Input string

string scalar

Input string, specified as a string scalar. Enclose literal strings with double quotes.

Example: "Hello"

Limitations

• This operator does not support the use of Stateflow structure fields. For more information about structures in Stateflow, see Access Bus Signals Through Stateflow Structures.

Version History

Introduced in R2021b