range

Range parser that parse range from string, e.g. "0, 1, 7~8, 9-10, 100~105" -> [[0, 1], [7, 10], [100, 105]]

Features

• Verify input.
• Automatic merge overlapped range.
• Wrap continuous numbers into range.

Installation

$ npm install tiny-range

Usage

var range = require('tiny-range');

var result = range.parse('0, 1, 7~8, 9-10, 100~105');

// result: [[0, 1], [7, 10], [100, 105]]

Tips of range

• From minimum to a specific number

  ~100

• From a specific number to maximum

  100~

• Number

  23

• Range

  -10~10

Advantage Usage

var result = range.parse('~-5, -3, 0, 1, 2, 3, 7~8, 9-20, 100~');

// result: [[-4294967295,-5],-3,[0,3],[7,8],[100,4294967295]]

Notes Boundary is from -(2^32 - 1) to (2^32 - 1), i.e. -4294967295 to 4294967295.

Test

$ npm test

License

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.