public boolean checkIfMiddleInitial(String checkString)
    {
        if(checkString.matches(".*\\d.*"))
            return false;
        
        if(checkString.length() == 2 || checkString.length() == 1)
        {
            if(checkString.charAt(0) == '.')
                return false;
            
            if(this.checkPeriod(checkString))
                return true;
        } 
        return false;
    }