Data Type Tool Belt

Installation

npm i @gothbarbie/data-type-tool-belt

Usage

const { isNumber } = require('@gothbarbie/data-type-tool-belt')

// returns true
const result = isNumber('0123456')

// returns false
const result = isNumber('0123 456')

String

isNumber

• Returns true if a string contains only digits.
• Returns false if it contains anything else (including spaces).