> For the complete documentation index, see [llms.txt](https://docs.apica.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.apica.io/flow/functions/ascent.text.md).
# Ascent.text
#### ascent.text.isASCII
Checks if a string contains only ASCII characters.
```
ascent.text.isASCII(input: string): boolean;
```
Parameter
Type
Description
Input
String
The value that needs to be checked
Example
```
ascent.text.isASCII("72 101 108 108 111 33")
```
#### ascent.text.isUFT8
Checks if a string contains only UTF-8 characters.
```
ascent.text.isUTF8(input: string): boolean;
```