Regex January 17, 2012 | No Comments Google: here http://www.mkyong.com/regular-expressions/how-to-validate-email-address-with-regular-expression/ http://www.zparacha.com/validate-email-ssn-phone-number-using-java-regular-expression/ http://www.regular-expressions.info/reference.html http://www.grymoire.com/Unix/Regular.html http://www.regular-expressions.info/creditcard.html