| --- |
| page_title: trim - Functions - Configuration Language |
| description: >- |
| The trim function removes the specified set of characters from the start and |
| end of |
| |
| a given string. |
| --- |
| |
| # `trim` Function |
| |
| `trim` removes the specified set of characters from the start and end of the given |
| string. |
| |
| ```hcl |
| trim(string, str_character_set) |
| ``` |
| |
| Every occurrence of a character in the second argument is removed from the start |
| and end of the string specified in the first argument. |
| |
| ## Examples |
| |
| ``` |
| > trim("?!hello?!", "!?") |
| "hello" |
| |
| > trim("foobar", "far") |
| "oob" |
| |
| > trim(" hello! world.! ", "! ") |
| "hello! world." |
| ``` |
| |
| ## Related Functions |
| |
| * [`trimprefix`](/terraform/language/functions/trimprefix) removes a word from the start of a string. |
| * [`trimsuffix`](/terraform/language/functions/trimsuffix) removes a word from the end of a string. |
| * [`trimspace`](/terraform/language/functions/trimspace) removes all types of whitespace from |
| both the start and the end of a string. |
