Which of the following is not a valid Terraform string function?

Which of the following is not a valid Terraform string function?
A . tostring
B . replace
C . format
D . join

View Answer

Answer: A

Explanation:

tostring is not a string function, it is a type conversion function. tostring converts its argument to a string value.

https://www.terraform.io/docs/configuration/functions/tostring.html