# COMPRESSIBLE_CONTENT_TYPE_REGEX

**Kind:** Constant

**Source:** [`src/utils/compress.ts`](https://github.com/honojs/hono/blob/main/src/utils/compress.ts#L9)

**Part of:** [Utils](subsystem-src-utils)

## Definition

```ts
/^\s*(?:text\/(?!event-stream(?:[;\s]|$))[^;\s]+|application\/(?:javascript|json|xml|xml-dtd|ecmascript|dart|msgpack|postscript|rtf|tar|toml|vnd\.dart|vnd\.ms-fontobject|vnd\.ms-opentype|vnd\.msgpack|wasm|x-httpd-php|x-javascript|x-msgpack|x-ns-proxy-autoconfig|x-sh|x-tar|x-virtualbox-hdd|x-virtualbox-ova|x-virtualbox-ovf|x-virtualbox-vbox|x-virtualbox-vdi|x-virtualbox-vhd|x-virtualbox-vmdk|x-www-…
```

## Value

```ts
/^\s*(?:text\/(?!event-stream(?:[;\s]|$))[^;\s]+|application\/(?:javascript|json|xml|xml-dtd|ecmascript|dart|msgpack|postscript|rtf|tar|toml|vnd\.dart|vnd\.ms-fontobject|vnd\.ms-opentype|vnd\.msgpack|wasm|x-httpd-php|x-javascript|x-msgpack|x-ns-proxy-autoconfig|x-sh|x-tar|x-virtualbox-hdd|x-virtualbox-ova|x-virtualbox-ovf|x-virtualbox-vbox|x-virtualbox-vdi|x-virtualbox-vhd|x-virtualbox-vmdk|x-www-…
```

## Used by

2 references from 2 files. Each is a place in this repository where the symbol is actually used — go read one rather than trusting an example.

### Imported by (2)

- `handler` — `src/middleware/compress/index.ts`:139
- `ServeStaticOptions` — `src/middleware/serve-static/index.ts`:13