It Calculates “Outersections” of ranges.

Check whether a number, english alphabet character or a date is between two others.

Transform input range elements into something prettier and more configurable.

Meteor Node IPFinder library

Flatten overlapping ranges into a sequence of sections.

🏋🏻 A small and powerful library for creating ranges of almost anything: numbers, letters, dates and even strings! Yay!

Concise Array Programming

Implement a special range generator and a range shrinker.

Light Javascript date and time utilities (formatting, ranges e.t.c)

Official Node.js client library for IPfinder

Data structure to hold a collection of ranges. It has builtin support for numbers, dates, and strings, fast O(log(log(N))) bounds, and provides comprehensive set operations.

UnicodeSet implementation: a string pattern akin to RegExp for succinctly defining a set of unicode characters and strings