--- layout: "docs" page_title: "replace - Functions - Configuration Language" sidebar_current: "configuration-functions-string-replace" description: |- The replace function searches a given string for another given substring, and replaces all occurrences with a given replacement string. --- # `replace` Function `replace` searches a given string for another given substring, and replaces each occurrence with a given replacement string. ```hcl replace(string, substring, replacement) ``` ## Examples ``` > replace("1 + 2 + 3", "+", "-") 1 - 2 - 3 > replace("hello world", "world", "everybody") hello everybody ``` ## Related Functions - [`regexreplace`](./regexreplace.html) searches a given string for another given substring, and replaces each occurrence with a given replacement string.