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

java.util.regex.Matcher.reset()
Resets this matcher.
Resetting a matcher discards all of its explicit state information and sets its append position to zero. The matcher's region is set to the default region, which is its entire character sequence. The anchoring and transparency of this matcher's region boundaries are unaffected. @return This matcher

                }
                CharSequence line = cb.subSequence(lines.start(), lines.end());
                target.reset(line);
                if(target.find()) {
                    if(text != null) {
                        text.reset(line);
                        if(!text.find()) {
                            hit = false;
                            continue;
                        }
                    }

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      return null;
    }
    Matcher match = varPat.matcher("");
    String eval = expr;
    for(int s=0; s<MAX_SUBST; s++) {
      match.reset(eval);
      if (!match.find()) {
        return eval;
      }
      String var = match.group();
      var = var.substring(2, var.length()-1); // remove ${ .. }

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                    continue;
                }
                target.reset(line);
                if(target.find()) {
                    if(text != null) {
                        text.reset(line);
                        if(!text.find()) {
                            hit = false;
                            continue;
                        }
                    }

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                            ++lineCount;
                            ++fileCount;
                            if(capped) {
                                continue;
                            }
                            target.reset(line);
                            if(target.find()) {
                                if(host != null && !host.equals(target.group(GROUP_HOST))) {
                                    continue;
                                }
                                if(user != null && !user.equals(target.group(GROUP_USER))) {

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        Matcher matcher = null;
        for (String appPath : unfilteredAppPaths) {
            if (matcher == null) {
                matcher = filter.matcher(appPath);
            } else {
                matcher.reset(appPath);
            }
            if (matcher.matches()) {
                if (log.isDebugEnabled()) {
                    log.debug(sm.getString("hostConfig.ignorePath", appPath));
                }

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                LOG.trace("Replacing: {} with header value: {}", matcher.group(0), header);
            }


            uri = matcher.replaceFirst(header);
            // we replaced uri so reset and go again
            matcher.reset(uri);
        }


        String query = exchange.getIn().getHeader(Exchange.HTTP_QUERY, String.class);
        if (query != null) {
            if (LOG.isTraceEnabled()) {

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                        String foundValue = m.group( vars.get( theKey ) );
                        String theValue = applyFunc( theFunc,
                                                     foundValue );
                        String newVp = vp.substring( 0,
                                                     allkeyMat.start() ) + theValue + vp.substring( allkeyMat.end() );
                        allkeyMat.reset( newVp );
                        key2value.put( theKey,
                                       foundValue );
                        if (newVp.equals(vp)) {
                            break;
                        } else {

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                            String theValue = applyFunc( theFunc,
                                                         foundValue );
                            // replace it
                            vp = vp.substring( 0,
                                               varRefMat.start() ) + theValue + vp.substring( varRefMat.end() );
                            varRefMat.reset( vp );
                            break;
                        }
                    }
                }

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  }
  
  private void checkFileNames(Collection<String> files) {
    Matcher m = IndexFileNames.CODEC_FILE_PATTERN.matcher("");
    for (String file : files) {
      m.reset(file);
      if (!m.matches()) {
        throw new IllegalArgumentException("invalid codec filename '" + file + "', must match: " + IndexFileNames.CODEC_FILE_PATTERN.pattern());
      }
    }
  }

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    sb.setLength(0);


    boolean sufficient = !checkSufficientFields;
    for (int i=0; i<fieldsToWrite.length; i++) {
      IndexableField f = doc.getField(fieldsToWrite[i]);
      String text = f == null ? "" : matcher.reset(f.stringValue()).replaceAll(" ").trim();
      sb.append(text).append(SEP);
      sufficient |= text.length()>0 && sufficientFields[i];
    }
    if (sufficient) {
      sb.setLength(sb.length()-1); // remove redundant last separator

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