This
tutorial will teach you how to validate a e-mail id using regular
expression to control email Spam. In this tutorial I used ternary
operator to filter the values coming from the input box and avoid
errors.Complete Coding is here
tutorial will teach you how to validate a e-mail id using regular
expression to control email Spam. In this tutorial I used ternary
operator to filter the values coming from the input box and avoid
errors.Complete Coding is here
<?php $email=(isset($_POST['email']))?trim($_POST['email']):''; function verify($email){ if(!preg_match('/^[_A-z0-9-]+((.|+)[_A-z0-9-]+)*@[A-z0-9-]+(.[A-z0-9-]+)*(.[A-z]{2,4})$/',$email)){ return false; } else { return $email; } } if(isset($_POST['submit'])){ if(verify($email)){ echo $email." is a valid E-mail ID"; } else { echo $email." is an invalid E-mail ID"; } } ?><form action="" method="post"> <input type="text" name="email" value="<?php echo $email;?>"/><br/> <input type="submit" name="submit" value="validate" /> </form>