Looking for good e-mail validation function

[webref.eu]

Hi All

 

Could anyone give me or point me in the direction of a good current e-mail validation function? 

 

Thanks all.

[revraz]

Check the Resources Sticky here

 

http://www.phpfreaks.com/forums/index.php/board,43.0.html

 

You'll find several expressions to use.

[TempleDMDKrazd]

as in the email is the right format?

 

Check out the "Regular Expression" forum....

[vbnullchar]

From Kohana Framework...

 

<?php
/**
 * Validate email, commonly used characters only
 *
 * @param   string   email address
 * @return  boolean
 */
public static function email($email)
{
	return (bool) preg_match('/^(?!\.)[-+_a-z0-9.]++(?<!\.)@(?![-.])[-a-z0-9.]+(?<!\.)\.[a-z]{2,6}$/iD', $email);
}

/**
 * Validate email, RFC compliant version
 * Note: This function is LESS strict than valid_email. Choose carefully.
 *
 * @see  Originally by Cal Henderson, modified to fit Kohana syntax standards:
 * @see  http://www.iamcal.com/publish/articles/php/parsing_email/
 * @see  http://www.w3.org/Protocols/rfc822/
 *
 * @param   string   email address
 * @return  boolean
 */
public static function email_rfc($email)
{
	$qtext = '[^\\x0d\\x22\\x5c\\x80-\\xff]';
	$dtext = '[^\\x0d\\x5b-\\x5d\\x80-\\xff]';
	$atom  = '[^\\x00-\\x20\\x22\\x28\\x29\\x2c\\x2e\\x3a-\\x3c\\x3e\\x40\\x5b-\\x5d\\x7f-\\xff]+';
	$pair  = '\\x5c[\\x00-\\x7f]';

	$domain_literal = "\\x5b($dtext|$pair)*\\x5d";
	$quoted_string  = "\\x22($qtext|$pair)*\\x22";
	$sub_domain     = "($atom|$domain_literal)";
	$word           = "($atom|$quoted_string)";
	$domain         = "$sub_domain(\\x2e$sub_domain)*";
	$local_part     = "$word(\\x2e$word)*";
	$addr_spec      = "$local_part\\x40$domain";

	return (bool) preg_match('/^'.$addr_spec.'$/D', $email);
}
?>