3.5 KiB
RegExp
Parses a regular expression string and returns a new regular expression.
Installation
$ npm install utils-regex-from-string
Usage
var regex = require( 'utils-regex-from-string' );
regex( str )
Parses a regular expression string and returns a new regular expression.
var re = regex( '/beep/' )
// returns /beep/
Note: provided strings must be properly escaped.
// Unescaped:
re = regex( '/\w+/' );
// returns /w+/
// Escaped:
re = regex( '/\\w+/' );
// returns /\w+/
Examples
var regex = require( 'utils-regex-from-string' );
console.log( regex( '/beep/' ) );
// returns /beep/
console.log( regex( '/[A-Z]*/' ) );
// returns /[A-Z]*/
console.log( regex( '/\\\\\\\//ig' ) );
// returns /\\\//ig
console.log( regex( '/[A-Z]{0,}/' ) );
// returns /[A-Z]{0,}/
console.log( regex( '/^boop$/' ) );
// returns /^boop$/
console.log( regex( '/(?:.*)/' ) );
// returns /(?:.*)/
console.log( regex( '/(?:beep|boop)/' ) );
// returns /(?:beep|boop)/
console.log( regex( '/\\w+/' ) );
// returns /\w+/
To run the example code from the top-level application directory,
$ node ./examples/index.js
Tests
Unit
Unit tests use the Mocha test framework with Chai assertions. To run the tests, execute the following command in the top-level application directory:
$ make test
All new feature development should have corresponding unit tests to validate correct functionality.
Test Coverage
This repository uses Istanbul as its code coverage tool. To generate a test coverage report, execute the following command in the top-level application directory:
$ make test-cov
Istanbul creates a ./reports/coverage directory. To access an HTML version of the report,
$ make view-cov
License
Copyright
Copyright © 2015. Athan Reines.