# string

| Function                                                               | Description                                                       |
| ---------------------------------------------------------------------- | ----------------------------------------------------------------- |
| `split(string: string, separator: string) -> table`                    | Splits `string` into a table using `separator`.                   |
| `find(string: string, pattern: string) -> number`                      | Finds the `pattern` in `string` and returns its position.         |
| `sub(string: string, start: number, end: number) -> string`            | Returns the substring of `string` from `start` to `end`.          |
| `gsub(string: string, pattern: string, replacement: string) -> string` | Replaces occurrences of `pattern` in `string` with `replacement`. |
| `length(string: string) -> number`                                     | Returns the length of `string`.                                   |
| `upper(string: string) -> string`                                      | Converts `string` to uppercase.                                   |
| `lower(string: string) -> string`                                      | Converts `string` to lowercase.                                   |
| `filter(string: string) -> string`                                     | Filters characters in `string` using the Roblox filter.           |