mirror of https://github.com/jkjoy/sunpeiwen.git
107 lines
3.8 KiB
Markdown
107 lines
3.8 KiB
Markdown
# expand-brackets [](https://www.npmjs.com/package/expand-brackets) [](https://npmjs.org/package/expand-brackets) [](https://travis-ci.org/jonschlinkert/expand-brackets)
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> Expand POSIX bracket expressions (character classes) in glob patterns.
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## Install
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Install with [npm](https://www.npmjs.com/):
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```sh
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$ npm install expand-brackets --save
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```
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## Usage
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```js
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var brackets = require('expand-brackets');
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brackets('[![:lower:]]');
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//=> '[^a-z]'
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```
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## .isMatch
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Return true if the given string matches the bracket expression:
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```js
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brackets.isMatch('A', '[![:lower:]]');
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//=> true
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brackets.isMatch('a', '[![:lower:]]');
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//=> false
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```
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## .makeRe
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Make a regular expression from a bracket expression:
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```js
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brackets.makeRe('[![:lower:]]');
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//=> /[^a-z]/
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```
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The following named POSIX bracket expressions are supported:
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* `[:alnum:]`: Alphanumeric characters (`a-zA-Z0-9]`)
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* `[:alpha:]`: Alphabetic characters (`a-zA-Z]`)
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* `[:blank:]`: Space and tab (`[ t]`)
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* `[:digit:]`: Digits (`[0-9]`)
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* `[:lower:]`: Lowercase letters (`[a-z]`)
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* `[:punct:]`: Punctuation and symbols. (`[!"#$%&'()*+, -./:;<=>?@ [\]^_``{|}~]`)
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* `[:upper:]`: Uppercase letters (`[A-Z]`)
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* `[:word:]`: Word characters (letters, numbers and underscores) (`[A-Za-z0-9_]`)
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* `[:xdigit:]`: Hexadecimal digits (`[A-Fa-f0-9]`)
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Collating sequences are not supported.
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## Related projects
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You might also be interested in these projects:
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* [extglob](https://www.npmjs.com/package/extglob): Convert extended globs to regex-compatible strings. Add (almost) the expressive power of regular expressions to… [more](https://www.npmjs.com/package/extglob) | [homepage](https://github.com/jonschlinkert/extglob)
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* [is-extglob](https://www.npmjs.com/package/is-extglob): Returns true if a string has an extglob. | [homepage](https://github.com/jonschlinkert/is-extglob)
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* [is-glob](https://www.npmjs.com/package/is-glob): Returns `true` if the given string looks like a glob pattern or an extglob pattern.… [more](https://www.npmjs.com/package/is-glob) | [homepage](https://github.com/jonschlinkert/is-glob)
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* [is-posix-bracket](https://www.npmjs.com/package/is-posix-bracket): Returns true if the given string is a POSIX bracket expression (POSIX character class). | [homepage](https://github.com/jonschlinkert/is-posix-bracket)
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* [micromatch](https://www.npmjs.com/package/micromatch): Glob matching for javascript/node.js. A drop-in replacement and faster alternative to minimatch and multimatch. Just… [more](https://www.npmjs.com/package/micromatch) | [homepage](https://github.com/jonschlinkert/micromatch)
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## Contributing
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Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](https://github.com/jonschlinkert/expand-brackets/issues/new).
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## Building docs
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Generate readme and API documentation with [verb](https://github.com/verbose/verb):
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```sh
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$ npm install verb && npm run docs
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```
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Or, if [verb](https://github.com/verbose/verb) is installed globally:
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```sh
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$ verb
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```
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## Running tests
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Install dev dependencies:
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```sh
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$ npm install -d && npm test
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```
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## Author
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**Jon Schlinkert**
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* [github/jonschlinkert](https://github.com/jonschlinkert)
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* [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
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## License
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verb © 2016, [Jon Schlinkert](https://github.com/jonschlinkert).
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Released under the [MIT license](https://github.com/jonschlinkert/expand-brackets/blob/master/LICENSE).
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***
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_This file was generated by [verb](https://github.com/verbose/verb), v, on April 01, 2016._ |