![]() To reflect the updated state of the App component, we used useEffect hook, it will help to reflect the latest state. Head towards the src folder and create a new file named form-phone-validation.js with the final location as ~src/form-phone-validation.js with the following code in it: import React from "react" Ĭlass FormPhoneComponent extends React.Component ) Ĭonsole.log("From App.js ", phonestatus) Now, we will create a reusable Phone Validation component, that will maintain an internal state as well as emit the validation status to the parent component via a prop callback function. } Step 3 – Create Phone Validation Component Import "./node_modules/bootstrap/dist/css/" Now, import the file in the main App.js component: import React from "react" You can install it in your app by executing the below command: npm install bootstrap Move inside the application root cd react-phone-validation-app Step 2 – Add Bootstrap (Optional)Īdding bootstrap is optional. npx create-react-app react-phone-validation-app Else execute the below command to download and create a new react application. If you already have an app, skip this step. Step 3 – Create Phone Validation Component.We will create a reusable abstracted component to take a phone and return its validation status to the parent component.Īdding Phone/ Mobile ReGEX Validation in React App The input form fields will validate the value if it’s a valid phone number string or not. In this guide, you will learn how to validate the phone number in React application. ![]() it is mainly used to validate values like phone numbers, email addresses, website URLs etc. The regex expression performs a search algorithm operation on the input value and returns the output based on validation.Ī regex pattern is used to validate a string for its required format. The Regex is the short form of regular or rational expression string, it represents a combination of characters to filter on the string provided. We will use the regex pattern to validate the phone number value in JavaScript. How to validate a phone/ mobile number in the react js form In this tutorial, you will learn how to validate the phone number using the regex pattern in React application. ![]()
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