电子邮件验证PHP Regex

Posted 2021-02-24

Full email validation with regex.

$regex = "([a-z0-9_.-]+)". # name
			"@". # at
			"([a-z0-9.-]+){2,255}". # domain & possibly subdomains
			".". # period
			"([a-z]+){2,10}"; # domain extension 
		$eregi = eregi_replace($regex, '', $email);
		$valid_email = empty($eregi) ? true : false;