» `upper` Function

Note: This page is about Terraform 0.12 and later. For Terraform 0.11 and earlier, see 0.11 Configuration Language: Interpolation Syntax.

upper converts all cased letters in the given string to uppercase.

» Examples

> upper("hello")
HELLO
> upper("алло!")
АЛЛО!

This function uses Unicode's definition of letters and of upper- and lowercase.

lower converts letters in a string to lowercase.
title converts the first letter of each word in a string to uppercase.