expecting output Correct mail-id but getting email Adress must be valid why

Question

def email_validation(id)   
      mail_id=@driver.find_element(:id,'email')
      mail_id.send_keys(id);
      var=mail_id.attribute('value')
      puts"#{var}"
      wait =Selenium::WebDriver::Wait.new(:timeout=>60)
      if var.empty?
         puts "email can't be empty"
       elsif var =~ /^[A-Z0-9_!#$%&'*+=?{|}^.-]+@[A-Z0-9.-]+\z\i/
             puts "Correct mail-id"
        else puts"email Adress must be valid"
        end
     
  end
 email_validation("ram123@gmail.com")

output:   ram123@gmail.com

            email Adress must be valid    //  why???
            [Finished in 17.1s]