upper

Convert a string to uppercase

Syntax

newStr = upper(str)

newStr = upper(str) converts the lowercase characters in str to uppercase characters and leaves all other characters unchanged.

Note

Only Stateflow^® charts that use MATLAB^® as the action language support the upper operator.

Convert the lowercase text in Hello, world! to uppercase.

h = "Hello, world!"
x = upper(h)

Stateflow chart that uses the upper operator in a state.

Results from stateflow chart that uses the upper operator in a state.

This operator does not support structures. For more information about structures in Stateflow, see Access Bus Signals Through Stateflow Structures.

Introduced in R2021b