### to-regex-range

popularPass two numbers, get a regex-compatible source string for matching ranges. Validated against more than 2.78 million test assertions.

Updated by @doowb

### globalize

popularA JavaScript library for internationalization and localization that leverages the official Unicode CLDR JSON data.

Updated by @scott.gonzalez

### is-alphanumeric

popularCheck if a string only contains alphanumeric characters

Updated by @arthurvr

### parse-numeric-range

Takes a string, such as "1,2,3-10,5-8" and turns it into an array of numbers

Updated by @euank

### number-generator

Generate repeatable pseudo random numbers and non-cryptographic hash numbers for usage in Node.js and browser environments.

Updated by @martinhelmut

### file-size

Lightweight filesize to human-readable / proportions w/o dependencies.

Updated by @nijikokun

### approximate-number

Converts numbers into a more human-friendly format, similar to `ls`'s `--human-readable` flag (`ls -lh`) or Stack Overflow's reputation numbers. For example, 123456 becomes '123k'.

Updated by @nfriedly

### string-remove-thousand-separators

Detects and removes thousand separators (dot/comma/quote/space) from string-type digits

Updated by @royston

### letter-count

This is a calculator which counts the number of letters/ characters/ lines/ words/ numbers or wordsigns in a text, useful for your tweets on Twitter, as well as a multitude of …

Updated by @thoschu

### chinese-numbers-to-arabic

Convert Chinese numbers into their Arabic Format

Updated by @unbuttun-spark

### decimalsystem

DecimalSystem is a powerful base conversion library that can convert any (real) number to any base (over 1), including non-integer bases like base PI.

Updated by @uellenberg

### @aureooms/js-integer-big-endian

Arbitrary precision arithmetic for integers in big endian order for JavaScript

Updated by @aureooms

### random-seedable

Fully-fledged collection of both 32 and 64 bit seedable random number generators whose output precisely matches their original c/c++ implementations.

Updated by @cakroyd

### numbered

Stringify any number into words, and parse number strings back to a number

Updated by @blakeembrey