github.com/hugorut/terraform@v1.1.3/website/docs/language/functions/upper.mdx (about)

     1  ---
     2  page_title: upper - Functions - Configuration Language
     3  description: >-
     4    The upper function converts all cased letters in the given string to
     5    uppercase.
     6  ---
     7  
     8  # `upper` Function
     9  
    10  `upper` converts all cased letters in the given string to uppercase.
    11  
    12  ## Examples
    13  
    14  ```
    15  > upper("hello")
    16  HELLO
    17  > upper("алло!")
    18  АЛЛО!
    19  ```
    20  
    21  This function uses Unicode's definition of letters and of upper- and lowercase.
    22  
    23  ## Related Functions
    24  
    25  * [`lower`](/language/functions/lower) converts letters in a string to _lowercase_.
    26  * [`title`](/language/functions/title) converts the first letter of each word in a string to uppercase.