Checks given value is backslash - support char code number, hex, unicode or string value to be given.
npm install is-backslash> Checks given value is backslash - support char code number, hex, unicode or string value to be given.
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npm i is-backslash --save
Usage
> For more use-cases see the testsjs
const isBackslash = require('is-backslash')
`$3
> Check value is strictly backslash or backslash-like.-
{String|Number} value to check
- [opts] {Object} only opts.strict option, default false
- returns {Boolean} Example
`js
const isBackslash = require('is-backslash')// returns true (default mode, opts.strict !== true)
console.log(isBackslash(92, {strict: 123})) // => true
console.log(isBackslash(92)) // => true
console.log(isBackslash('92')) // => true
console.log(isBackslash('\\')) // => true
console.log(isBackslash('\u005C')) // => true
console.log(isBackslash('\u005c')) // => true
console.log(isBackslash('\x5c')) // => true
console.log(isBackslash('\')) // => true
// strict mode - need explicitly define
opts.strict: true
console.log(isBackslash(92, {strict: true})) // => false
console.log(isBackslash('92', {strict: true})) // => false
console.log(isBackslash('\\', {strict: true})) // => true
console.log(isBackslash('\u005C', {strict: true})) // => true
console.log(isBackslash('\u005c', {strict: true})) // => true
console.log(isBackslash('\x5c', {strict: true})) // => trueconsole.log(isBackslash('\', {strict: 123})) // => true
console.log(isBackslash('\', {strict: true})) // => false
console.log(isBackslash(['foo', 'bar'])) // => false
console.log(isBackslash({a: 'b'})) // => false
console.log(isBackslash()) // => false
Related
- is-async-function: Check that given function is async (callback) function or not. Trying to guess that based on check if , cb, done or next exists as function argument name.
- is-child-process: Checks whether a value is child process result, which in case is more specific Node.js EventEmitter.
- is-emitter: Check that given value is EventEmitter, not so strict as is-node-emitter.
- is-empty-function: Check that given string, function or arrow function have empty body, using parse-function.
- is-hexcolor: Check that given value is valid hex color, using hex-color-regex - the best regex for matching hex color values
- is-installed: Checks that given package is installed on the system - globally or locally.
- is-kindof: Check type of given javascript value. Support promises, generators, streams, and native types.
- is-missing: Check that given name or user/repo exists in npm registry or in github as user repository.
- is-node-emitter: Strictly checks that given value is nodejs EventEmitter. It's easy, because his API is in frozen state.
- is-node-stream: Strictly and correctly checks if value is a nodejs stream.
- is-real-object: Returns true if a value is any type of object, but not an array. Browserify-ready.
- is-request-stream: Check that given value is request stream
- is-singular: Return true if given word is in singular form like apple, car, test and false otherwise, never throws.
- is-sync-function: Opposite of is-async-function`. Check that given function is synchronous.[![tunnckocore.tk][author-www-img]][author-www-url] [![keybase tunnckocore][keybase-img]][keybase-url] [![tunnckoCore npm][author-npm-img]][author-npm-url] [![tunnckoCore twitter][author-twitter-img]][author-twitter-url] [![tunnckoCore github][author-github-img]][author-github-url]
[npmjs-url]: https://www.npmjs.com/package/is-backslash
[npmjs-img]: https://img.shields.io/npm/v/is-backslash.svg?label=is-backslash
[license-url]: https://github.com/tunnckoCore/is-backslash/blob/master/LICENSE
[license-img]: https://img.shields.io/badge/license-MIT-blue.svg
[codeclimate-url]: https://codeclimate.com/github/tunnckoCore/is-backslash
[codeclimate-img]: https://img.shields.io/codeclimate/github/tunnckoCore/is-backslash.svg
[travis-url]: https://travis-ci.org/tunnckoCore/is-backslash
[travis-img]: https://img.shields.io/travis/tunnckoCore/is-backslash.svg
[coveralls-url]: https://coveralls.io/r/tunnckoCore/is-backslash
[coveralls-img]: https://img.shields.io/coveralls/tunnckoCore/is-backslash.svg
[david-url]: https://david-dm.org/tunnckoCore/is-backslash
[david-img]: https://img.shields.io/david/tunnckoCore/is-backslash.svg
[standard-url]: https://github.com/feross/standard
[standard-img]: https://img.shields.io/badge/code%20style-standard-brightgreen.svg
[author-www-url]: http://www.tunnckocore.tk
[author-www-img]: https://img.shields.io/badge/www-tunnckocore.tk-fe7d37.svg
[keybase-url]: https://keybase.io/tunnckocore
[keybase-img]: https://img.shields.io/badge/keybase-tunnckocore-8a7967.svg
[author-npm-url]: https://www.npmjs.com/~tunnckocore
[author-npm-img]: https://img.shields.io/badge/npm-~tunnckocore-cb3837.svg
[author-twitter-url]: https://twitter.com/tunnckoCore
[author-twitter-img]: https://img.shields.io/badge/twitter-@tunnckoCore-55acee.svg
[author-github-url]: https://github.com/tunnckoCore
[author-github-img]: https://img.shields.io/badge/github-@tunnckoCore-4183c4.svg
[freenode-url]: http://webchat.freenode.net/?channels=charlike
[freenode-img]: https://img.shields.io/badge/freenode-%23charlike-5654a4.svg
[new-message-url]: https://github.com/tunnckoCore/ama
[new-message-img]: https://img.shields.io/badge/ask%20me-anything-green.svg