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# media-feature-name-value-whitelist
Specify a whitelist of allowed media feature name and value pairs.
<!-- prettier-ignore -->
```css
@media screen and (min-width: 768px) {}
/** ↑ ↑
* These features and values */
```
## Options
```js
{
"unprefixed-media-feature-name": ["array", "of", "values"],
"/unprefixed-media-feature-name/": ["/regex/", "non-regex", /real-regex/]
}
```
If a media feature name is found in the object, only its whitelisted values are
allowed. If the media feature name is not included in the object, anything goes.
If a name or value is surrounded with `/` (e.g. `"/width$/"`), it is interpreted
as a regular expression. For example, `/width$/` will match `max-width` and
`min-width`.
Given:
```
{
"min-width": ["768px", "1024px"],
"/resolution/": ["/dpcm$/"]
}
```
The following patterns are considered violations:
<!-- prettier-ignore -->
```css
@media screen and (min-width: 1000px) {}
```
<!-- prettier-ignore -->
```css
@media screen and (min-resolution: 2dpi) {}
```
<!-- prettier-ignore -->
```css
@media screen and (min-width > 1000px) {}
```
The following patterns are _not_ considered violations:
<!-- prettier-ignore -->
```css
@media screen and (min-width: 768px) {}
```
<!-- prettier-ignore -->
```css
@media screen and (min-width: 1024px) {}
```
<!-- prettier-ignore -->
```css
@media screen and (orientation: portrait) {}
```
<!-- prettier-ignore -->
```css
@media screen and (min-resolution: 2dpcm) {}
```
<!-- prettier-ignore -->
```css
@media screen and (resolution: 10dpcm) {}
```
<!-- prettier-ignore -->
```css
@media screen and (768px < min-width) {}
```