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


  private void collectQualifiedNames() {
    StringBuffer sb = new StringBuffer(text.length());
    int lastStart = 0;
    Matcher m = QUALIFIED_REFERENCE.matcher(text);
    m.region(lastImportLocation, text.length());
    while (m.find()) {
      sb.append(text.substring(lastStart, m.start(1)));
      lastStart = m.start(2);
      String name = m.group(2);
      String qualifier = trimLastDot(m.group(1));

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             * (without parent for now) and parse the values for each column. Columns with empty
             * text are not parsed (the value is left to null).
             */
            final TreeTable.Node node = new DefaultTreeTable.Node(table);
            try {
                matcher.region(indexOfValue, endOfLine);
                for (int ci=0; ci<columns.length; ci++) {
                    final boolean found = matcher.find();
                    int endOfColumn = found ? matcher.start() : endOfLine;
                    indexOfValue   = CharSequences.skipLeadingWhitespaces (text, indexOfValue, endOfColumn);
                    int endOfValue = CharSequences.skipTrailingWhitespaces(text, indexOfValue, endOfColumn);

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        ArrayList<Match> tryMatch(String s, int start, int end) {
            ArrayList<Match> alm = new ArrayList<Match>();
            if (isPattern()) {
                //System.out.println("Try pmatch pattern \""+pattern+"\" at "+start+"-"+end);
                Matcher m = pattern.matcher(s);
                m.region(start, end);
                while (m.find()) {
                    //System.out.println("Matched "+m.start()+"-"+m.end());
                    Match mtch = new Match(m.start(), m.end(), this);
                    if (bindings!=null) {
                        int gc = Math.min(m.groupCount(), bindings.length);

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                }
            } else {
                for (Pattern p: beg) {
                    //System.out.println("Try match \""+p+"\" at "+start+"-"+end);
                    Matcher m = p.matcher(s);
                    m.region(start, end);
                    // Find it only once: PE: ... Other PE: problem!
                    // Andreea Bodnari: we actually want to find the section
                    // if it is present multiple times
                    while (m.find()) {
                        //System.out.println("Matched "+m.start()+"-"+m.end());

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                // If port is the attribute, then comma will not be used as a
                // delimiter
                if (attrName.equalsIgnoreCase("port") || attrName.equalsIgnoreCase("expires")) {
                    int start = matcher.regionStart();
                    matcher = ATTR_PATTERN0.matcher(headerString);
                    matcher.region(start, headerString.length());
                    matcher.lookingAt();
                } else if (cookie.getVersion() == 1 && attrName.startsWith(COMMA_STR)) {
                    // If the last encountered token is comma, and the parsed
                    // attribute is not port, then this attribute/value pair
                    // ends.

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    int startPos = m.start();
    // Find end of form
     p = Pattern.compile("</form>");
//    p = getPattern("util.formEnd");
    m = p.matcher(page);
    m.region(startPos, page.length());
    // Confirm send resource does not have "</form>" 
    int endPos = page.length();
    if (m.find()) {    
      endPos = m.end();
    }

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    // Find hidden fields
     p = Pattern.compile("<input +type=\"hidden\" +name=\"(.*?)\" +value=\"(.*?)\"");
//    p = getPattern("util.hiddenField");
    m = p.matcher(page);
    m.region(startPos, endPos);
    while (m.find()) {
      String name = m.group(1);
      String value = m.group(2);
      names.add(name);
      values.add(value);

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            values.add(e.getValue());
            
            matchedDelimiter = false;
            if (m.group(2) != null || m.group(3) != null) {
                // Skip the last '"'.
                m.region(m.end() + 1, m.regionEnd());
            }
        }
        
        Object answer = Array.newInstance(componentType, values.size());
        for (int i = 0; i < Array.getLength(answer); i ++) {

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            // TODO escape here.
            String region = m.group();


            if (m.group(3) != null || m.group(4) != null) {
                // Skip the last '"'.
                m.region(m.end() + 1, m.regionEnd());
            }
            
            switch (lastTokenType) {
            case ENTRY_DELIM:
                keyEditor.setAsText(region);

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            answer.add(e.getValue());
            
            matchedDelimiter = false;
            if (m.group(2) != null || m.group(3) != null) {
                // Skip the last '"'.
                m.region(m.end() + 1, m.regionEnd());
            }
        }
        
        return answer;
    }

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