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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;
}
}
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