m.appendReplacement(segBuf, StringUtil.EMPTY);
            String segment = segBuf.toString();
            for (int i = 0; i < queries.length; i++) {
                segment = Pattern.compile(regexQueries[i], Pattern.CASE_INSENSITIVE).matcher(segment).replaceAll(hlQueries[i]);
            }
            buf.append(segment);
            buf.append(m.group(0));
        }
        segBuf.setLength(0);