The lodash method `_.isString` exported as a module.

Reliable cross-browser isString

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

- dateUtils - isNil - isString

Tree-shakable type & shape predicates: isString, isEmpty, isUrl, isJson, isEmail, isPromise, isMobile, … framework-agnostic and dependency-free.

TypeScript definitions for lodash.isstring

Test if a value is a string.

Tiny, type-safe predicates — isString/isNumber/isPlainObject/isEmpty and more, all narrowing TypeScript type guards. Zero dependencies.

Simple string test

<img src="http://craydent.com/JsonObjectEditor/img/svgs/craydent-logo.svg" width=75 height=75/>

Is this value a JS String object or primitive? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

The [strman](https://github.com/dleitee/strman) method `isstring` exported as a [Node.js](https://nodejs.org/) module.

JSON isString method

Validates if a value is a string primitive.

Define how you want data to be structured: ```javascript const myRules = { firstname: new Refute.TypeCheck('Please enter a firstname').isString(), lastname: new Refute.TypeCheck('Please enter a lastname').isString(), contactDetails: {

This is a utility library to enhance the Object and Array, it also provide some basic functions such as: isString, isArray, isEmpty etc.

JS type check (TypeScript supported) functions like `isPlainObject() isArray()` etc. A simple & small integration.

Isomorphic, functional type-checking for Javascript

Some helpers for nodejs isString, isInt, isBoolean, isObject, isFloat, isArray, isDate

Determine type of a variable