How to escape or remove the special characters in the xml element by regula

Question

Hi members,
How to escape or remove the special characters in the xml element by regular expression  in java??
For Example ,
<my:name> aaaa </my:name>
<my:age> 27 </my:age>
In the above example , i have to retrieve the value of the <my:name> Element(For examlpe -- i have to get "aaaa" from <my:name> tag)...
How to retreive this value by using DOM with XPATH in java
Thanks in Advance

Answer 1

Hi members,
I forget to paste my coding for the above question....This is my coding......In this display the error...... Pls reply ASAP.......
PROGRAM:
import java.io.IOException;
import java.util.Hashtable;
import java.util.Map;
import org.w3c.dom.*;
import org.xml.sax.SAXException;
import javax.xml.parsers.*;
import javax.xml.xpath.*;
public class DOMReaderForXMP {
     static Document doc;
     static XPath xpath;
     static Object result;
     static NodeList nodes;
     public DOMReaderForXMP() throws ParserConfigurationException, SAXException,
               IOException, XPathExpressionException {
          DocumentBuilderFactory domFactory = DocumentBuilderFactory
                    .newInstance();
          domFactory.setNamespaceAware(true);
          DocumentBuilder builder = domFactory.newDocumentBuilder();
          doc = builder.parse("d:\\XMP.xml");
          XPathFactory factory = XPathFactory.newInstance();
          xpath = factory.newXPath();
     public static void perform(String path) throws Exception {
          result = xpath.evaluate(path, doc, XPathConstants.NODESET);
          nodes = (NodeList) result;
     public void check() throws Exception {
          perform("//my:name/text()");
          if (!nodes.item(0).getNodeValue().equals("application/pdf")) {
               System.out.println("Mathces....!");
ERROR:
Exception in thread "main" net.sf.saxon.trans.StaticError: XPath syntax error at char 9 in {/my:name}:
Prefix aas has not been declared