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  1. <?php 
  2.  
  3. $_POST['user_email'] = " abc@gmail.com "; // example post request
  4. $email = $_POST['user_email'];
  5.  
  6. $regex = "/^[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+$/";
  7.  
  8. if (preg_match ($regex, $email )){
  9.         echo $email . " is a valid email";
  10.     }else{
  11.         echo $email. " is an invalid email ";
  12.     }
  13.  
  14. ?>
Success #stdin #stdout 0.01s 20568KB
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Standard input is empty
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 abc@gmail.com  is an invalid email
https://ideone.com/igphq1
language:
PHP (php 7.3.5)
created:
10 years ago
visibility:
public

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