[Htmlparser-user] problem with regular expression filter

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Hi,
    iam using Regular expression filter to extract dates from a html
document. When i extract dates in
the format like 23/4/2004 , 21 march 2005 etc.. using following regular
expression Regex filter is not working. iam also giving the code here.

try
    {
    Parser parser =3D new Parser ("sample.html");
    RegexFilter filter =3D new RegexFilter ("([1-3][0-9]?)(th|rd|st|nd)?,?
[\\s|-|/]
(jan|feb|mar|april|may|jun|jul|aug|sep|oct|nov|dec|january|february|march|a=
pril|may|june|july|august|september|october|november|december|[0-9][1-9]?),=
?
[\\s|-|/] ([0-9]|[0-9]) ([0-9]{2})? ,?");
     NodeList list =3D parser.extractAllNodesThatMatch (filter);
     int i=3D0;
    while(i<list.size()){
     System.out.println("date->" + (i+1));
     String str =3D ((Node)list.elementAt(i)).toPlainTextString();
     i++;
     System.out.println(str + "-");
    }
    }
    catch (ParserException e)
       { e.printStackTrace (); }

code of sample.html is..

<html> <head></head> <body>

<b><font color=3Dbrown>Important Dates</font></b>
<ul>
  <li>Last date to apply for registration and travel support: <b>21
      March 2005</b>
  <li>Notification regarding registration request: <b>23 March
      2005</b>
  </ul>

<hr>
</body> </html>

can anyone tell me what was wrong with above code? The above regular
expression worked correctly to extract the dates from simple text file..

by
sudhakar