php validating email – How to Validate an Email Address in PHP?

php validating email Checking presence of @ and . and Using filter in PHP & The filter_var() function accepts 3 parameters. Example with US characters only and Example with Unicode characters. and Use the filter_var() Function and the FILTER_VALIDATE_EMAIL and Use the preg_match() Function Examples.

php validating email – How to check the format of an email address in PHP?

Use FILTER_VALIDATE_EMAIL filter to validate the email address in PHP. OR Email Validation in PHP Regular Expression

Validate Email in PHP

Example

<?php
  $email_address = "[email protected]";

  // User Email Validation
  if(filter_var($email_address, FILTER_VALIDATE_EMAIL)){
    echo "Your Email address is valid";
  }else{
    echo "Your Email address is not valid";
  }
?>

Example 2: validation in PHP

 $email_address = "[email protected]";

if (!eregi("^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,3})$", $email_address)){ 

echo "<center>Invalid email</center>";

}else{

echo "<center>Valid Email</center>";

}

Also Read : How To Check Email Already Exist In Database In Php?

Example with US characters only

$email_address = '[email protected]';
if(filter_var($email_address, FILTER_VALIDATE_EMAIL)) {
  echo 'Valid!';
} else {
  echo 'Not valid :(';
}

Example with Unicode characters

$email_address = 'Потапов@pakainfo.com';
if(filter_var($email_address, FILTER_VALIDATE_EMAIL, FILTER_FLAG_EMAIL_UNICODE)) {
  echo 'Valid!';
} else {
  echo 'Not valid :(';
}

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