Must be between 6-50 characters
Must NOT contain spaces
Must NOT contain "Ameren"
May contain letters, numbers or the following special characters _ @ - .
Must be at least 8 characters.
Must include a number, a letter and a special character (e.g. @!#&).
Must have no more than 2 repeating characters (e.g. aaa).
Hyphen is the only special character allowed.