This week's book giveaway is in the OCPJP forum. We're giving away four copies of OCA/OCP Java SE 7 Programmer I & II Study Guide and have Kathy Sierra & Bert Bates on-line! See this thread for details.
An alternative would be to use a regular expression, via java.util.regex.Pattern. If you look up the API doc for Pattern, you will see that there are a wide variety of character classes on which you can match.
Betty Rubble? Well, I would go with Betty... but I'd be thinking of Wilma.