In email validation in javascript is a very important module while validating simple an HTML web form. In this web page I have learn all about how to validate an email address using pure JavaScript with examples :
Simple Email Validation in JavaScript – Step by Step
I can simple validation in javascript the email by the uses of Pure JS.
There are Two types of the Email validation regex in JS.
- Basic Validation
- Data Format Validation
There are lots of the criteria that required to be bellow to user validate or check the email id is valid or not such as:
How to validate email address in JavaScript?
- first of all user email id must data string available the @ and . character
- Email must be at least single character before as well as after the special character @.
- Email must be at least 2 or more characters after the special character like as a . (dot).
- Let’s display the best example to check or validate the email id field.
- use a Digits (0-9).
- also you can use a Characters like as a! # $ % & ‘ * + – / = ? ^ _ ` { | } ~ some special char.
- using Uppercase (A-Z) as well as lowercase (a-z) niche related English letters.
JavaScript – Form Validation
here display Validate email address textbox using JavaScript source code
js Form Validation - www.pakainfo.com
Example of valid email id
The domain name consists of
- use a hyphens
- use a dots
- use a letters
- use a digits
Example of invalid email id
- admininfo.pakainfo.com [@ is not present]
- [email protected] [ tld (Top Level domain) can not start with dot “.” ]
- @you.me.net [ No character before @ ]
- [email protected] [ “.b” is not a valid tld ]
- [email protected] [ tld can not start with dot “.” ]
- [email protected] [ an email should not be start with “.” ]
- admininfo()*@gmail.com [ there the regular expression only allows character, digit, underscore, and dash ]
- [email protected] [double dots are not allowed]
JavaScript email validation
To simple HTML Form with validate email address using a JavaScript source code, so you cna check the some condition for use a at least single “@” as well as “.” i.e. for [email protected] . so Let’s try the bellow some source code to validate email Id.
Data Format Validation
I hope you get an idea about email validation in javascript on button click.
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