Java示例匹配电话号码

public class MatchPhoneNumber {

   public static void main(String args[]) {

      isPhoneValid("1-999-585-4009");

      isPhoneValid("999-585-4009");

      isPhoneValid("1-585-4009");

      isPhoneValid("585-4009");

      isPhoneValid("1.999-585-4009");

      isPhoneValid("999 585-4009");

      isPhoneValid("1 585 4009");

      isPhoneValid("111-Java2s");

   }

   public static boolean isPhoneValid(String phone) {

      boolean retval = false;

      String phoneNumberPattern = "(\\d-)?(\\d{3}-)?\\d{3}-\\d{4}";

      retval = phone.matches(phoneNumberPattern);

      String msg = "NO MATCH: pattern:" + phone + "\r\n regex: " + phoneNumberPattern;



      if (retval) {

         msg = " MATCH: pattern:" + phone + "\r\n regex: " + phoneNumberPattern;

      }

      System.out.println(msg + "\r\n");

      return retval;

   }

}