--- layout: "functions" page_title: "replace - Functions - Configuration Language" sidebar_current: "docs-funcs-string-replace" description: |- The replace function searches a given string for another given substring, and replaces all occurences with a given replacement string. --- # `replace` Function `replace` searches a given string for another given substring, and replaces each occurence with a given replacement string. ```hcl replace(string, substring, replacement) ``` ## Examples ``` > replace("1 + 2 + 3", "+", "-") 1 - 2 - 3 ```