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

java.util.regex.Matcher.region()
Sets the limits of this matcher's region. The region is the part of the input sequence that will be searched to find a match. Invoking this method resets the matcher, and then sets the region to start at the index specified by the start parameter and end at the index specified by the end parameter.
Depending on the transparency and anchoring being used (see {@link #useTransparentBounds useTransparentBounds} and {@link #useAnchoringBounds useAnchoringBounds}), certain constructs such as anchors may behave differently at or around the boundaries of the region. @param start The index to start searching at (inclusive) @param end The index to end searching at (exclusive) @throws IndexOutOfBoundsException If start or end is less than zero, if start is greater than the length of the input sequence, if end is greater than the length of the input sequence, or if start is greater than end. @return this matcher @since 1.5

                                               request, String
           path, int start)
   {
      UriInfoImpl uriInfo = (UriInfoImpl) request.getUri();
      Matcher matcher = pattern.matcher(path);
      matcher.region(start, path.length());


      if (matcher.matches())
      {
         // we consumed entire path string
         ResourceInvoker invoker = match(request.getHttpMethod(), request);

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fitting:
    // Fitting the text within the available width...
    {
      Pattern pattern = Pattern.compile("(\\s*)(\\S*)");
      Matcher matcher = pattern.matcher(text);
      matcher.region(beginIndex,text.length());
      while(matcher.find())
      {
        // Scanning for the presence of a line break...
        /*
          NOTE: This text fitting algorithm returns everytime it finds a line break character,

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        }


        if (searchOptions.isOnlyMatchWholeAttributeValue()) {
            found = matcher.matches();//Try to match the whole value
        } else {
            matcher.region(searchOptions.getRegionStart(), str.length());//Try to match a group in the remaining part of the value
            found = matcher.find();
        }


        if (found) {
            searchOptions.setStartingRow(rowIndex);//For next search

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        }
      }
      if (elementPattern != null) {
        Matcher matcher = elementPattern.matcher(lineText);
        if (offset > 0) {
          matcher.region(offset, lineText.length());
        }
        if (matcher.find()) {
          for (int x = 0;x<elementGroup.size();++x) {
            int group = elementGroup.get(x);
            String value = matcher.group(group);

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  @Override
  public BlockTagProcessor start(String lineText, int offset) {
    Matcher matcher = startTagPattern.matcher(lineText);
    if (offset > 0) {
      matcher.region(offset, lineText.length());
    }
    if (matcher.matches()) {
      String options = matcher.group(1);
      int startOffset = matcher.start(2);
      ConfluenceBlockTagProcessor processor = createProcessor();

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  }


  protected boolean closeBlock(String text,int offset) {
    Matcher matcher = endTagPattern.matcher(text);
    if (offset > 0) {
      matcher.region(offset, text.length());
    }
    if (matcher.matches()) {
      int afterEndOffset = matcher.end(1);
      setLineOffset(afterEndOffset);
      setBlockClosed(true);

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      if (dialect != null && (modifierProcessor == null || modifierProcessor.getLineStartOffset() < lastOffset)) {
        modifierProcessor = dialect.findPhraseModifier(textileLine, lastOffset);
      }
      
      if (lastOffset > 0 && dialect != null) {
        phraseModifierMatcher.region(lastOffset, textileLineLength);
      }
      int offset = -1;
      
      if (phraseModifierMatcher.find()) {
        offset = phraseModifierMatcher.start();

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                Matcher m = p.matcher(result);


                boolean match = false;
                // Loop until we've covered the entire offset range
                for (int i = 0; i <= offsetRangeEnd - offsetRangeBegin; i++) {
                    m.region(i,  length+i);
                    match = m.lookingAt(); // match regex from start of region
                    if (match) {
                        return type;
                    }
                }

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  public void testMatchesRegionChanged() {
    // Regression for HARMONY-610
    String input = " word ";
    Pattern pattern = Pattern.compile("\\w+");
    Matcher matcher = pattern.matcher(input);
    matcher.region(1, 5);
    assertTrue(matcher.matches());
  }


        public void testAllCodePoints() {
                // Regression for HARMONY-3145

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    Matcher matcher = pattern.matcher("abcde");
    matcher.find();
    assertEquals("abcde", matcher.group());


    matcher = pattern.matcher("abcde");
    matcher.region(0, 2);
    matcher.find();
    assertEquals("ab", matcher.group());


  }

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