System.out.println("Processed: " + processed + " URLs");
    Thread.sleep(5000);
}
```

## Contributing

We welcome contributions to Fess Crawler! Please follow these guidelines:

1. **Fork** the repository
2. **Create** a feature branch (`git checkout -b feature/amazing-feature`)
3. **Commit** your changes (`git commit -m 'Add amazing feature'`)
4. **Push** to the branch (`git push origin feature/amazing-feature`)

        // Invalid regex pattern should be handled gracefully
        urlFilter.addInclude(".*[invalid");
        urlFilter.addInclude("https://valid.com/.*");

        // Valid pattern should still work
        assertTrue(urlFilter.match("https://valid.com/page"));
    }

    /**
     * Test adding a single exclude pattern
     */
    public void test_addExclude_singlePattern() {

        // Properties should work without container
        assertEquals("noContainer", ruleWithoutContainer.getRuleId());

        TestResponseProcessor processor = new TestResponseProcessor();
        ruleWithoutContainer.setResponseProcessor(processor);
        assertSame(processor, ruleWithoutContainer.getResponseProcessor());

        // Match should work
        ResponseData responseData = new ResponseData();

        String content = extractData.getContent();
        CloseableUtil.closeQuietly(in);
        logger.info(content);
        assertTrue(content.contains("テスト"));
    }

    /*
     * TODO not work... public void test_getText_mswordx_as() { InputStream in =
     * ResourceUtil.getResourceAsStream("extractor/msoffice/test_as.docx");
     * Map<String, String> params = new HashMap<String, String>();

<?xml version="1.0" encoding="UTF-8"?>
<!--
  Licensed to the Apache Software Foundation (ASF) under one or more
  contributor license agreements.  See the NOTICE file distributed with
  this work for additional information regarding copyright ownership.
  The ASF licenses this file to You under the Apache License, Version 2.0
  (the "License"); you may not use this file except in compliance with
  the License.  You may obtain a copy of the License at