# Dirname
> [Regular expression][regexp] to capture a Windows path [dirname][dirname].
## Usage
```javascript
var reDirnameWindows = require( '@stdlib/regexp/dirname-windows' );
```
#### reDirnameWindows()
Returns a [regular expression][regexp] to capture a Windows path [dirname][dirname].
```javascript
var RE_DIRNAME_WINDOWS = reDirnameWindows();
var dir = RE_DIRNAME_WINDOWS.exec( 'foo\\bar\\index.js' )[ 1 ];
// returns 'foo\\bar'
```
#### reDirnameWindows.REGEXP
[Regular expression][regexp] to capture a Windows path [dirname][dirname].
```javascript
var dir = reDirnameWindows.REGEXP.exec( 'foo\\bar\\index.js' )[ 1 ];
// returns 'foo\\bar'
```
## Examples
```javascript
var reDirnameWindows = require( '@stdlib/regexp/dirname-windows' );
var RE_DIRNAME_WINDOWS = reDirnameWindows();
var dir;
dir = RE_DIRNAME_WINDOWS.exec( 'index.js' )[ 1 ];
// returns ''
dir = RE_DIRNAME_WINDOWS.exec( 'C:\\foo\\bar\\home.html' )[ 1 ];
// returns 'C:\\foo\\bar'
dir = RE_DIRNAME_WINDOWS.exec( 'foo\\file.pdf' )[ 1 ];
// returns 'foo'
dir = RE_DIRNAME_WINDOWS.exec( 'beep\\boop.' )[ 1 ];
// returns 'beep'
dir = RE_DIRNAME_WINDOWS.exec( '' )[ 1 ];
// returns ''
dir = RE_DIRNAME_WINDOWS.exec( '\\foo\\bar\\file' )[ 1 ];
// returns '\\foo\\bar'
dir = RE_DIRNAME_WINDOWS.exec( 'C:\\foo\\bar\\.gitignore' )[ 1 ];
// returns 'C:\\foo\\bar'
```
[regexp]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions
[dirname]: https://en.wikipedia.org/wiki/Dirname