Examples of java.util.regex.Matcher.groupCount()

java.util.regex.Matcher.groupCount()
Returns the number of capturing groups in this matcher's pattern.
Group zero denotes the entire pattern by convention. It is not included in this count.
Any non-negative integer smaller than or equal to the value returned by this method is guaranteed to be a valid group index for this matcher.
@return The number of capturing groups in this matcher's pattern

        
        // get the different help arguments
        String module_name = null;
        String help_key = null;
        module_name = logsearch_matcher.group(1);
        if (logsearch_matcher.groupCount() > 1)
        {
          help_key = logsearch_matcher.group(2);
          if (0 == help_key.length())
          {
            help_key = null;

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      synchronized (sb)
      {
        do
        {
          actual_url = url_matcher.group(1);
          if (url_matcher.groupCount() > 1)
          {
            visual_url = url_matcher.group(2);
          }
          else
          {

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    private ParsedModuleStringNotation splitDescriptionIntoModuleNotationAndArtifactType(String notation) {
        Matcher matcher = EXTENSION_SPLITTER.matcher(notation);
        boolean hasArtifactType = matcher.matches();
        if (hasArtifactType) {
            if (matcher.groupCount() != 2) {
                throw new InvalidUserDataException("The description " + notation + " is invalid");
            }
            return new ParsedModuleStringNotation(matcher.group(1), matcher.group(2));
        }
        return new ParsedModuleStringNotation(notation, null);

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      }
    }
    int width = Integer.parseInt( m.group( 1 ) );
    int height = Integer.parseInt( m.group( 2 ) );
    int xpos, ypos;
    if( m.groupCount() > 3 )
    {
      xpos = Integer.parseInt( m.group( 3 ) );
      ypos = Integer.parseInt( m.group( 4 ) );
    }
    else

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    // are there references to a message and optional to an attachment in the message
    if (urlName.getFile() != null) {
      try {
        Matcher matcher = messagePattern.matcher(url);
        matcher.find();
        if (matcher.groupCount() > 0) {
          if (matcher.group(1).startsWith("message")) {
            result = true;
          }
        }

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  public static String cutMessageIdentifier(String url) throws Exception {


    String result = "";
    Matcher matcher = messagePattern.matcher(url);
    matcher.find();
    if (matcher.groupCount() > 0) {
      // the first group is the whole message identifier
      result = url.replaceFirst("/" + matcher.group(1), "");
    //System.out.println(matcher.group(1) + " " + matcher.group(2));
    }
    return result;

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    Matcher m = p.matcher("fred/the/eta_211/");
    //boolean b = m.matches();
    if ( m.matches())
    {
      System.out.println( "Matches" );
      System.out.println( "numGroups : " + m.groupCount());
      for ( int i = 0; i <= m.groupCount(); i++)
      {
        System.out.println( "Group[" + i + "]: " + m.group( i) );
      }
    }

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    //boolean b = m.matches();
    if ( m.matches())
    {
      System.out.println( "Matches" );
      System.out.println( "numGroups : " + m.groupCount());
      for ( int i = 0; i <= m.groupCount(); i++)
      {
        System.out.println( "Group[" + i + "]: " + m.group( i) );
      }
    }
    else

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  public static final String getServerLocation(String repositoryLocation) {
    // Try to parse the server URL from the repository URL
    Pattern urlPattern = Pattern.compile("(.*)/" + Protocol.REPOSITORIES + "/[^/]*/?");
    Matcher matcher = urlPattern.matcher(repositoryLocation);


    if (matcher.matches() && matcher.groupCount() == 1) {
      return matcher.group(1);
    }
    else {
      return null;
    }

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  static private int parseLine(String line) throws IOException {
    int balony = 0;
    Matcher matcher = dataPattern.matcher(line);
    if (matcher.matches()) {
      for (int i=1; i<=matcher.groupCount(); i++) {
        String r = matcher.group(i);
        if (r == null) continue;
        int value = (int) Long.parseLong(r.trim());
        balony += value;
      }

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