Validate Email Address in PHP using preg_match – Simple with Code

<?php 
// Techyadda.in PHP program to validate email 
  
// Function to validate email in PHP 
function email_validator($email) { 
    return (!preg_match( 
"^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,3})$^", $str)) 
        ? FALSE : TRUE; 
} 
  
// Here we are calling function
if(!email_validator("techyadda19@gmail.com")) { 
    echo "Email address not valid."; 
} 
else { 
    echo "Valid email address."; 
} 
  
?> 

So using the above function you can easily validate email in PHP. People must validate email on the server side (PHP) as one can bypass javascript validation easily.

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