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("hello@gmail.com")  // 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