The HTML DOM Input Email pattern property sets/returns the regular expression corresponding to Email Input. The pattern attribute’s value is checked against the text typed in an email field.
Syntax
Following is the syntax −
- Returning regular expression
inputEmailObject.pattern
- Setting pattern to regular expression
inputEmailObject.pattern = ‘RegExp’
Example
Let us see an example of Input Email pattern property −
<!DOCTYPE html> <html> <head> <title>Input Email pattern</title> <style> form { width:70%; margin: 0 auto; text-align: center; } * { padding: 2px; margin:5px; } input[type="submit"] { border-radius: 10px; } </style> </head> <body> <form onsubmit="checkPattern()"> <fieldset> <legend>Email-pattern</legend> <label for="EmailSelect">Employee Email : <input type="email" id="EmailSelect" pattern="[a-zA-z0-9]+@+MNC.com" title="[a-zA-z0-9]+@+MNC.com"> </label> <input type="submit" value="Submit"> <div id="divDisplay"></div> </fieldset> </form> <script> var divDisplay = document.getElementById("divDisplay"); var inputEmail = document.getElementById("EmailSelect"); divDisplay.textContent = 'pattern: '+inputEmail.pattern; function checkPattern() { if(inputEmail.value !== ''){ var User = inputEmail.value.split("@")[0]; alert("Welcome "+User); } } </script> </body> </html>
Output
This will produce the following output −
Before clicking ‘Submit’ button −
After clicking ‘Submit’ button with invalid pattern −
After clicking ‘Submit’ button with valid pattern −