js-string-helper

Helper module for string to provide support for common functions related to string, except javascript built-in objects. It's open source and any one is welcome to contribute.

Installation

npm install --save js-string-helper

Usage

import {trim, isEmail, getLinksFromText} from 'js-string-helper'

Method

URL Validation

| Method | output | Explanation | ------------- | ------------- | ------------- | | isUrl | boolean | check whether a string is an URL | isImageUrl | boolean | check whether an URL is link of an image | getDomain | string | get domain name of the url | hasValidUrlProtocol | boolean | check whether a url has valid url protocol | removeQueryString | boolean | return url without query string | getQueryString | object | return object with all the parameter name and parameter value | getLastPathname | boolean | return the last pathname of the url

 
Example:

const exampleUrl = 'https://example.com/img.jpg?param1=1234&param2=5678'

isUrl(exampleUrl)  // true

getDomain(exampleUrl)  // example.com

hasValidUrlProtocol(exampleUrl)  // true

removeQueryString(exampleUrl)  // https://example.com/img.jpg

getQueryString(exampleUrl)  // { 'param1': "1234", 'param2': '5678' }

getLastPathname(exampleUrl)  // img.jpg

isImageUrl(exampleUrl)  // true

String Validation

| Method | output | Explanation | ------------- | ------------- | ------------- | | isEmail | boolean | check whether a string is email | isPhoneNumber | boolean | check whether a string is phone number of length 10 | getLinksFromText | string | extract url from a text | removeSpecialCharacter | string | return text without any special character | clean | string | same as removeSpecialCharacter

 
Example:

isEmail("[email protected]")  // true

isPhoneNumber("01095273239")  // true 

getLinksFromText("dummy text of https://www.lipsum.com/ in the printing")  // https://www.lipsum.com/ 

removeSpecialCharacter("Campum efficitur, , pulcherrimum; #sequimur teneam ullo! ")  // Campum efficitur  pulcherrimum sequimur teneam ullo  asp

Case Styles

| Method | output | Explanation | ------------- | ------------- | ------------- | | toTitleCase | string | capitalize first character of each word in a string | toCamelCase | string | capitalize first character of each word (except first word) | toPascalCase | string | capitalize first character of each word | toKebabCase | string | replace space between words with hyphen ( - ) | toSnakeCase | string | replace space between words with underscore ( _ )

  Example:

toTitleCase("hello world")  // Hello World

toCamelCase("hello world")  // helloWorld

toPascalCase("hello world")  // HelloWorld

toKebabCase("hello world")  // hello-world

toSnakeCase("hello world")  // hello_world