Search npm for packages to use with Deno

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

Checks whether provided parameter looks like a number

Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)

A simple utility to Check the value is number or can convert to a number, for example string ' 123 ' can be converted to 123.

This is a JavaScript utility. It returns `true` if the value is a string number written in fixed notation and in decimal base.

Check your types at runtime with ESNext syntax by meta programing in node.js and browser with interfaces, strict object and more.

An Angular Library, that gives you a hussle free experience on data operation using pipes

Simple and light-weight JavaScript type checker that brings convenience!

General utility function to verify its argument looks like a number

Checks whether a value is a finite number or not.

Checks whether a value is an integer or not.

Extended functions for defining and converting data types.

Type check in TypeScript

A native module for effectively validating if a value is type Number.

The ts-is-number a utility npm package that checks if a given input is a valid finite number or a string that can be converted to a valid finite number.

A JavaScript/Typescript library for fast type checking. Check if a given value is a string, number, object, ...

A small JavaScript library that enhances Quality of Life by solving various problems.

[](https://discord.gg/ZVERh35) [](https://npmjs.com/fast-is-number) [

Check does the given Javascript Object is a number.

An utility to check if a value is a number (allowing string numbers optionally).