Replace exact matching string in xml string using java

Question

I read many articles about the regex to replace the string in xml value. In many articles most of the peoples accepted answers for

str=str.replaceAll("\\b2017\\b", "****");

But this is not working as expected and replacing 2017 in other place also. below is my example.

public class StringTest {

    public static void main(String[] args) {
        String str=
                "<OTA_InsuranceBookRQ xmlns=\"http://www.opentravel.org/OTA/2003/05\" Version=\"2.001\">                        "+
                        "  <POS>                        "+
                        "    <Source>                       "+
                        "      <TPA_Extensions>                     "+
                        "        <ProductCode>101468</ProductCode>                      "+
                        "        <PurchaseDate>2017-08-21</PurchaseDate>                        "+
                        "        <TransactionType>PURCHASE</TransactionType>                        "+
                        "        <SubmissionType>MerchantXMLPurchase</SubmissionType>                       "+
                        "      </TPA_Extensions>                        "+
                        "    </Source>                      "+
                        "  </POS>                       "+
                        "  <PlanForBookRQ PlanID=\"245235\">                        "+
                        "    <InsCoverageDetail>                        "+
                        "      <CoveredTrips>                       "+
                        "        <CoveredTrip DepositDate=\"2017-08-11T00:00:00.000Z\" End=\"2017-09-03\" FinalPayDate=\"2017-08-14T00:00:00.000Z\" Start=\"2017-09-02\">                       "+
                        "          <Destinations>                       "+
                        "            <Destination>                      "+
                        "              <StateProv/>                     "+
                        "              <CountryName>Germany</CountryName>                       "+
                        "            </Destination>                     "+
                        "          </Destinations>                      "+
                        "          <Operators>                      "+
                        "            <Operator CompanyShortName=\"Delta\" TravelSector=\"Airline\"/>                        "+
                        "            <Operator CompanyShortName=\"Carnival\" TravelSector=\"CruiseLine\"/>                      "+
                        "          </Operators>                     "+
                        "        </CoveredTrip>                     "+
                        "      </CoveredTrips>                      "+
                        "    </InsCoverageDetail>                       "+
                        "    <InsuranceCustomer>                        "+
                        "      <PaymentForm CostCenterID=\"ONLINE\" GuaranteeID=\"243356\" RPH=\"\" Remark=\"[email protected]\">                      "+
                        "        <PaymentCard ExpireDate=\"2017\">                      "+
                        "          <CardType Code=\"VISA\"/>                        "+
                        "          <CardHolderName>Test Booking</CardHolderName>                        "+
                        "          <Telephone PhoneNumber=\"1234567890\"/>                      "+
                        "          <Email>[email protected]</Email>                      "+
                        "          <CardNumber EncryptedValue=\"4111111111111111\"/>                        "+
                        "          <SeriesCode EncryptedValue=\"Agent who sold policy\"/>                       "+
                        "        </PaymentCard>                     "+
                        "      </PaymentForm>                       "+
                        "    </InsuranceCustomer>                       "+
                        "  </PlanForBookRQ>                     "+
                        "</OTA_InsuranceBookRQ>";
                   str=str.replaceAll("\\b2017\\b", "****");
        System.out.println(str);
    }

}

when i ran this program expected result is <PaymentCard ExpireDate="2017"> should replace with <PaymentCard ExpireDate="****"> but along with that it also replacing 2017 value in <PurchaseDate>2017-08-21</PurchaseDate> as <PurchaseDate>****-08-21</PurchaseDate> which is not acceptable in my case.

i tried with below regex also but no luck.

str=str.replaceAll("(?<!\\S)2017(?!\\S)", "****");

please do not mark and close this as duplicate since no answers are working as expected.

it will always be safer to use xml tools (dom/xpath, etc) to convert xml data. regex and xml have a rocky relationship. Especially given this is credit card info, i wouldn't use hacks. — MeBigFatGuy
– MeBigFatGuy, Commented Aug 22, 2017 at 3:45

shmosel · Accepted Answer · 2017-08-22 03:37:07Z

1

If you're trying to replace "2017" in quotes, just do so explicitly:

str = str.replace("\"2017\"", "\"****\"");

answered Aug 22, 2017 at 3:37

shmosel

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Sudha Velan · Accepted Answer · 2017-08-22 06:32:19Z

0

You can use the following regex:

str=str.replaceAll("(2017(?!-))", "****");

answered Aug 22, 2017 at 6:32

Sudha Velan

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