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Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.

micromark utility to decode numeric character references

Map of invalid numeric character references to their replacements, according to HTML

Common token types for decoding and encoding numeric and string values

Lightweight and performant natural sorting of arrays and collections by differentiating between unicode characters, numbers, dates, etc.

Math.js is an extensive math library for JavaScript and Node.js. It features a flexible expression parser with support for symbolic computation, comes with a large set of built-in functions and constants, and offers an integrated solution to work with dif

Generate randomized strings of a specified length using simple character sequences. The original generate-password.

Validates if a value is a number.

i18n for ISO 3166-1 country codes

Validates if a value is an integer.

Check if a string only contains alphanumeric characters

Test if a double-precision floating-point numeric value is NaN.

A React hook for managing counters

Test if a value is a number.

Test if a double-precision floating-point numeric value is infinite.

Packs an array-of-arrays into a single ndarray

Returns true if the given number is odd, and is an integer that does not exceed the JavaScript MAXIMUM_SAFE_INTEGER.

Determine if a JavaScript object is numeric

Initialize an array of arrays to a constant

Return true if the given number is even.