> For the complete documentation index, see [llms.txt](https://docs.halosecurity.com/api/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.halosecurity.com/api/readme/data-types.md).

# Data Types

The Halo Security API supports several types of values for filtering.

## String

* Begin pattern with `!` to inverse the match
* Begin pattern with `~` to use a regular expression match
* Begin pattern with `=` for an exact match
* Use `*` for a wild card match
* Use `-` to match an empty value

## Number

* Integer: `1`
* Range of values: `1-5`
* Greater than a value: `>5`
* Greater or equal to a value: `>=5`
* Less than a value: `<5`
* Less than or equal to value: `<=5`
* List of values: `1,3,5`
* Multiple selectors: `<=10,50-55,100,200`

## Date & Time

Date are represented in `YYYY-MM-DD` format.

Timestamp are represented in `YYYY-MM-DD HH24:MI` format using the `UTC` timezone.