50 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Markdown
		
	
	
	
	
	
			
		
		
	
	
			50 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Markdown
		
	
	
	
	
	
# filename-reserved-regex [](https://travis-ci.org/sindresorhus/filename-reserved-regex)
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> Regular expression for matching reserved filename characters
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On Unix-like systems `/` is reserved and [`<>:"/\|?*`](http://msdn.microsoft.com/en-us/library/aa365247%28VS.85%29#naming_conventions) as well as non-printable characters `\x00-\x1F` on Windows.
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## Install
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```
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$ npm install --save filename-reserved-regex
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```
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## Usage
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```js
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const filenameReservedRegex = require('filename-reserved-regex');
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filenameReservedRegex().test('foo/bar');
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//=> true
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filenameReservedRegex().test('foo-bar');
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//=> false
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'foo/bar'.replace(filenameReservedRegex(), '!');
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//=> 'foo!bar'
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filenameReservedRegex.windowsNames().test('aux');
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//=> true
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```
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## API
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### filenameReservedRegex()
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Returns a regex that matches all invalid characters.
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### filenameReservedRegex.windowsNames()
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Returns a exact-match case-insensitive regex that matches invalid Windows
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filenames. These include `CON`, `PRN`, `AUX`, `NUL`, `COM1`, `COM2`, `COM3`, `COM4`, `COM5`,
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`COM6`, `COM7`, `COM8`, `COM9`, `LPT1`, `LPT2`, `LPT3`, `LPT4`, `LPT5`, `LPT6`, `LPT7`, `LPT8`
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and `LPT9`.
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## License
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MIT © [Sindre Sorhus](https://sindresorhus.com)
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