assertFalse(CharUtil.isUrlChar('<')); // less than
        assertFalse(CharUtil.isUrlChar('>')); // greater than
        assertFalse(CharUtil.isUrlChar('"')); // double quote
        assertFalse(CharUtil.isUrlChar('\\')); // backslash
        assertFalse(CharUtil.isUrlChar('`')); // backtick
    }

    public void test_isUrlChar_controlCharacters() {
        // Test control characters

        }
        source = source.replaceAll(Pattern.quote("${fess.dictionary.path}"), dictionaryPath)//
                .replaceAll(Pattern.quote("${fess.index.codec}"), fessConfig.getIndexCodec())//
                .replaceAll(Pattern.quote("${fess.index.number_of_shards}"), numberOfShards)//
                .replaceAll(Pattern.quote("${fess.index.auto_expand_replicas}"), autoExpandReplicas);

            if (excludedUrlList != null) {
                excludedUrlList.stream().filter(StringUtil::isNotBlank).map(String::trim).distinct().forEach(u -> {
                    final String urlValue = Pattern.quote(u);
                    crawler.addExcludeFilter(urlValue);
                    if (logger.isInfoEnabled()) {
                        logger.info("Excluded URL from failures: {}", urlValue);
                    }

            String line;
            while ((line = br.readLine()) != null) {
                sb.append(line);
            }
        }
        return sb.toString().replaceAll(Pattern.quote("${fess.dictionary.path}"), dictionaryPath);
    }

    /**
     * Default keys for suggest settings.
     */
    public static class DefaultKeys {
        /** Index key. */

            String line;
            while ((line = br.readLine()) != null) {
                sb.append(line);
            }
        }
        return sb.toString().replaceAll(Pattern.quote("${fess.dictionary.path}"), dictionaryPath);
    }

            return value;
        }
        return getQuerySet().map(querySet -> {
            final String pattern = querySet.stream().map(LaFunctions::h).map(Pattern::quote).collect(Collectors.joining("|"));
            if (StringUtil.isBlank(pattern)) {
                return null;
            }

d6"}.fa-qrcode:before{content:"\f029"}.fa-question:before{content:"\f128"}.fa-question-circle:before{content:"\f059"}.fa-quidditch:before{content:"\f458"}.fa-quinscape:before{content:"\f459"}.fa-quora:before{content:"\f2c4"}.fa-quote-left:before{content:"\f10d"}.fa-quote-right:before{content:"\f10e"}.fa-quran:before{content:"\f687"}.fa-r-project:before{content:"\f4f7"}.fa-radiation:before{content:"\f7b9"}.fa-radiation-alt:before{content:"\f7ba"}.fa-rainbow:before{content:"\f75b"}.fa-random:befor...

            String line;
            while ((line = br.readLine()) != null) {
                sb.append(line);
            }
        }
        return sb.toString().replaceAll(Pattern.quote("${fess.dictionary.path}"), dictionaryPath);
    }

    /**
     * Returns the path to the suggest analyzer configuration file.
     * @return The path to the suggest analyzer configuration file.
     */

d6"}.fa-qrcode:before{content:"\f029"}.fa-question:before{content:"\f128"}.fa-question-circle:before{content:"\f059"}.fa-quidditch:before{content:"\f458"}.fa-quinscape:before{content:"\f459"}.fa-quora:before{content:"\f2c4"}.fa-quote-left:before{content:"\f10d"}.fa-quote-right:before{content:"\f10e"}.fa-quran:before{content:"\f687"}.fa-r-project:before{content:"\f4f7"}.fa-radiation:before{content:"\f7b9"}.fa-radiation-alt:before{content:"\f7ba"}.fa-rainbow:before{content:"\f75b"}.fa-random:befor...

        final String p = path.trim();
        if (p.startsWith("#")) {
            return StringUtils.EMPTY;
        }

        if (p.startsWith(GsaConfigParser.CONTAINS)) {
            return ".*" + Pattern.quote(p.substring(GsaConfigParser.CONTAINS.length())) + ".*";
        }

        if (p.startsWith(GsaConfigParser.REGEXP)) {
            return p.substring(GsaConfigParser.REGEXP.length());
        }