How to convert a string from uppercase to lowercase and from lowercase to uppercase in terraform?

You can use terraform upper() and lower() functions to convert a string in uppercase to lowercase and from lowercase to uppercase in terraform.

Open terraform console

## Open terraform console
terraform console

1 2	## Open terraform console terraform console

Uppercase to lowercase and lowercase to uppercase

## uppercase to lowercase
lower("DEBJEET")  ## returns "debjeet"

## lowercase to uppercase
upper("debjeet")  ## returns "DEBJEET"

## uppercase to lowercase

lower("DEBJEET") ## returns "debjeet"

## lowercase to uppercase

upper("debjeet") ## returns "DEBJEET"