/** * @module helpers/checker */ import { isString } from './is-string'; /** * Check value has numeric format */ export function isNumeric(value: number | string): boolean { if (isString(value)) { if (!value.match(/^([+-])?[0-9]+(\.?)([0-9]+)?(e[0-9]+)?$/)) { return false; } value = parseFloat(value); } return typeof value === 'number' && !isNaN(value) && isFinite(value); }