github.com/muratcelep/terraform@v1.1.0-beta2-not-internal-4/website/docs/language/functions/upper.html.md (about)

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