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

java.util.regex.Matcher.find()
Attempts to find the next subsequence of the input sequence that matches the pattern.
This method starts at the beginning of this matcher's region, or, if a previous invocation of the method was successful and the matcher has not since been reset, at the first character not matched by the previous match.
If the match succeeds then more information can be obtained via the start, end, and group methods.
@return true if, and only if, a subsequence of the inputsequence matches this matcher's pattern

    if(matcher.find()) {
      //We have a date with letters, could be age-based or time based (with a literal month)
      
      //Try to determine if it is age-based or time-based
      matcher = isAgeBasedPattern.matcher(s);
      if(matcher.find()) {
        //Age Based date
        
        matcher = todayPattern.matcher(s);
        if(matcher.find()) {
          //Nothing to do for today as we base our initial date on the current one

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      matcher = isAgeBasedPattern.matcher(s);
      if(matcher.find()) {
        //Age Based date
        
        matcher = todayPattern.matcher(s);
        if(matcher.find()) {
          //Nothing to do for today as we base our initial date on the current one
        } else {
          matcher = yesterdayPattern.matcher(s);
          if(matcher.find()) {
            calendar.add(Calendar.DATE, -1);

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        matcher = todayPattern.matcher(s);
        if(matcher.find()) {
          //Nothing to do for today as we base our initial date on the current one
        } else {
          matcher = yesterdayPattern.matcher(s);
          if(matcher.find()) {
            calendar.add(Calendar.DATE, -1);
          } else {
            //We're in the real "ago" case, let's remove " ago" if it's there
            s = s.replaceAll("ago","").trim();
            matcher = agoSpacerPattern.matcher(s);

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            s = s.replaceAll("ago","").trim();
            matcher = agoSpacerPattern.matcher(s);
            s = matcher.replaceAll("$1 $2");
            matcher = agoTimeRangePattern.matcher(s);
            boolean seenHoursAsLowerCaseH = false;
            while(matcher.find()) {
              String unit = matcher.group(2);
              
              if(unit.equals("h")) {
                seenHoursAsLowerCaseH = true;
              }

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      } else {
        //Time based date
        //System.out.println("DL : " + s);
        matcher = timeBasedDateWithLettersPattern.matcher(s);
        if(matcher.find()) {
          int day = Integer.parseInt(matcher.group(1));
          calendar.set(Calendar.DAY_OF_MONTH,day);
          
          String monthStr = " " + matcher.group(2).toLowerCase();
          int month = -1;

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          //System.out.println(input + " > " + calendar.getTime() + "( " + calendar.getTimeZone() + " )");
          
        } else {
          matcher = timeBasedDateWithLettersPatternMonthFirst.matcher(s);
          if(matcher.find()) {
            int day = Integer.parseInt(matcher.group(2));
            calendar.set(Calendar.DAY_OF_MONTH,day);
            
            String monthStr = " " + matcher.group(1).toLowerCase();
            int month = -1;

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    } else {
      //We have a date with only numbers
      //System.out.println("DN : " + s );//+ "(" + input + ")");
      //Let's assume a default order of m/d and switch if it doesn't make sense
      matcher = numbersOnlyDatePattern.matcher(s);
      if(matcher.find()) {
        try {
        
          String g1 = matcher.group(1);
          String g2 = matcher.group(2);
          String g3 = matcher.group(3);

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      //System.out.println(input + " > " + calendar.getTime());
    }
    
    //Extract the time information
    matcher = getTimeComponent.matcher(input);
    if(matcher.find()) {
      try {
        int hours = Integer.parseInt(matcher.group(1));
        
        int minutes = Integer.parseInt(matcher.group(2));
        calendar.set(Calendar.MINUTE,minutes);

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    {
      return;
    }


    Matcher url_matcher = URL.matcher(fullMessage.getTrailing());
    if (url_matcher.find())
    {
      String url = url_matcher.group(1).trim();
      try
      {
        URL url_parsed = new URL(url);

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        int iEarliest = -1;
        String s = filter.regex ? filter.text : "\\Q" + filter.text + "\\E";
        Pattern pattern = Pattern.compile(s, Pattern.CASE_INSENSITIVE);
        for (int i = 0; i < cells.length; i++) {
          Matcher m = pattern.matcher(cells[i].getText());
          if (m.find() && (m.start() < iEarliest || iEarliest == -1)) {
            iEarliest = m.start();
            index = i;
          }
        }

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