toUpper

returns a string converted to all uppercase letters.

# Metadata

Platforms: desktop, server, mobile OS: mac, windows, linux, ios, android Introduced: 1.0 Security:

# Syntax

the toUpper of stringToConvert

# Params

- stringToConvert : Any string or expression that evaluates to a string.

# Examples

toUpper("AbC; dEf") -- returns "ABC; DEF"

toUpper("eclairs are VERY tasty!") -- returns "ECLAIRS ARE VERY TASTY!"

# Description

overview Use the toUpper function to change the case of a string.overview

Lowercase letters, including special characters with diacritical marks, are converted to the uppercase equivalents. All other characters, including uppercase letters, numbers, punctuation, and special characters with no upper or lower case, are left unchanged by the toUpper function.

# Tags

# See

- **keyword:** string - **function:** numToChar, toLower - **glossary:** return - **control structure:** function