1.0.0 • Public • Published

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    Input validator

    Human-friendly and powerful data validator library for JavaScript


    This project requires NodeJS (version 8 or later) and NPM. Node and NPM are really easy to install. To make sure you have them available on your machine, try running the following command.

    $ npm -v && node -v

    Getting Started

    These instructions will help you to install this package in your project to perform data validation.


    BEFORE YOU INSTALL: please read the prerequisites

    Start with installation of package in your project:

    $ cd PROJECT
    $ npm i @saimulhasnain-dev/strings-manipulator

    After successful installation of package you need to import package in your file: To import complete package in once

    $ import manipulator from '@saimulhasnain-dev/strings-manipulator';

    Or if you prefer using any particular function then:

    $ import { stringIncludes } from '@saimulhasnain-dev/strings-manipulator';


    import manipulator from '@saimulhasnain-dev/strings-manipulator';
    let res = manipulator.intoUpperCase('abc');//to convert string into capital case string
    console.log(res); // it will print `ABC` 
    manipulator.endsWith('Hello world','world');//to check string end with world

    Accessing only required function

    import { stringIncludes } from '@saimulhasnain-dev/strings-manipulator';
    stringIncludes('hello npm package','npm');//to test if string includes a particular word

    Available methods

    • intoUpperCase: Function to convert string into capital case string
    • intoLowerCase: Function to convert string into lower case string
    • charAt: Function to get string at particular position
    • charCodeAt: Function to get char code(ASCII) at a particular position in a string
    • endsWith: To check if string end with a particular word
    • startsWith: To check if string starts with a particular word
    • fromCharCode: Function to get string from char code
    • stringIncludes: Function to check if string includes a particular word or not
    • positionOf: Function to get position of a particular word within a string
    • lastPositionOf: Function to get last position/index value of a particular word within a string
    • lengthOfString: Function to get length of a string
    • stringMatches: Function to check if string matched a particular regex or a word in a given string
    • repeatString: Function to repeat string n number of times
    • replaceString: Function to replace a word with another within a string
    • splitString: Function to return a string between two index within a string
    • convertStringToArray: Function to return array of words from string using a specific splitter
    • convertFirstCaps: Function to convert first letter of string into capital order
    • convertCamelCase: Function to convert string into camel case
    • convertPascalCase: Function to convert string into pascal case
    • convertNormalCase: Function to convert any other character format into normal like pascal to normal
    • convertRoman: Function to convert normal number into roman format


    Please read CONTRIBUTING.md for details on our code of conduct, and the process for submitting pull requests to us.

    1. Fork it!
    2. Create your feature branch: git checkout -b my-new-feature
    3. Add your changes: git add .
    4. Commit your changes: git commit -am 'Add some feature'
    5. Push to the branch: git push origin my-new-feature
    6. Submit a pull request 😎


    All credit goes to me😎

    Built With

    • Love


    We use SemVer for versioning. For the versions available, see the tags on this repository.



    npm i @saimulhasnain-dev/strings-manipulator

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