newbie Java regexp question

From:
 "mitchmcc@yahoo.com" <mitchmcc@yahoo.com>
Newsgroups:
comp.lang.java.programmer
Date:
Mon, 02 Jul 2007 11:31:08 -0700
Message-ID:
<1183401068.265586.205380@k79g2000hse.googlegroups.com>
Below is a small test program I wrote to try and
do a simple parse of an XML expression, where I
can extract the tag(s) and the data on a single
line. Yes, I know about the other ways to parse
real XML, but I am trying to learn Java only. My
test case is very simple (see below). The problem
seems to be something tricky about the fact that
I am reading the input from the console.

I have tried the regexp in all of the following forms:

    Pattern p1 = Pattern.compile("<(\\S+)>(\\S+)</\\1>");
    Pattern p1 = Pattern.compile("<(\\S+)>(\\S+)</\\1>\n");
    Pattern p1 = Pattern.compile("<(\\S+)>(\\S+)</\\1>\r\n");

In Windows cmd.exe, none of these match when I enter

     <t1>foo</t1>

as standard input.

Any advice would be greatly appreciated.

Mitch

-----------------------------------------------------------------------------------------------

import java.io.*;
import java.net.*;
import java.util.regex.*;

public class test {
    public static void main(String[] args) throws IOException {

    PrintWriter out = null;
    BufferedReader stdIn = null;
  String server = "";
    String userInput;

    stdIn = new BufferedReader(new InputStreamReader(System.in));

    // read arguments
    if(args.length == 1) {
        server = args[0];
    } else {
        System.out.println("no args");
     }

// this one works, but is not really what I want
// Pattern p1 = Pattern.compile("<(\\S+)>(\\S+)<(\\S+)>");

// this one is the correct one that won't match unless the closing tag
matches
// the opening tag, but I cannot get it to work with input from the
console...
    Pattern p1 = Pattern.compile("<(\\S+)>(\\S+)</\\1>\r\n");

    Matcher m1 = p1.matcher("<t1>foo</t1>\r\n");
    System.out.println("matched test string = " + m1.matches());

    while ((userInput = stdIn.readLine()) != null) {

        System.out.println("got user input: " + userInput + " length " +
userInput.length());

        // Now see if the pattern matches

        Matcher m = p1.matcher(userInput);

        System.out.println("matched = " + m.matches());

        System.out.println("numGroups found: " + m.groupCount() + "\n");

        // If there were matches, print out the groups found

        if (m.matches()) {

            for (int j = 1; j <= m.groupCount(); j++) {
                System.out.println("group " + m.group(j) + " found\n");
            } // end for
        } // end if

    } // end while

    stdIn.close();

    } // end main

} // end class test

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