regex-flags

Does one simple thing - gets the flags from a regular expression. Useful for cloning and any library that uses or generates regular expressions that are created from other regular expressions.

If you need a "ES6 spec-compliant RegExp.prototype.flags shim, take a look at the RegExp.prototype.flags lib, from @ljharb.

Install

Install with npm

$ npm i regex-flags --save

Usage

var regexFlags = require('regex-flags');
 
regexFlags(/foo/);
//=> ''
 
regexFlags(/foo/g);
//=> 'g'
 
regexFlags(/foo/m);
//=> 'm'
 
regexFlags(/foo/i);
//=> 'i'
 
regexFlags(/foo/gm);
//=> 'gm'
 
regexFlags(/foo/gi);
//=> 'gi'
 
regexFlags(/foo/img);
//=> 'gim'
 
regexFlags(/foo/gim);
//=> 'gim'
 
regexFlags(/foo/gim);
//=> 'gim'

Related projects

• is-glob: Returns true if the given string looks like a glob pattern.
• is-equal-regex: Returns true if regular expression A is equal to regex B. Compares the expression and… more
• regex-cache: Memoize the results of a call to the RegExp constructor, avoiding repetitious runtime compilation of… more

Running tests

Install dev dependencies:

$ npm i -d && npm test

Contributing

Pull requests and stars are always welcome. For bugs and feature requests, please create an issue

Author

Jon Schlinkert

• github/jonschlinkert
• twitter/jonschlinkert

License

Copyright © 2015 Jon Schlinkert Released under the MIT license.

This file was generated by verb-cli on August 05, 2015.