if (logger.isDebugEnabled()) {
            logger.debug("pattern1: {}, pattern2: {}", pattern1Str, pattern2Str);
        }
        if (pattern1Str != null) {
            pattern1 = Pattern.compile(pattern1Str);
            pattern2 = Pattern.compile(pattern2Str);
        }
    }

    @Override
    public TokenStream create(final TokenStream tokenStream) {
        return new PatternConcatenationFilter(tokenStream, pattern1, pattern2);

      <version>1.0</version>
      <scope>runtime</scope>
    </dependency>

    <dependency>
      <groupId>maven-test-provided</groupId>
      <artifactId>scope-compile</artifactId>
      <version>1.0</version>
      <scope>compile</scope>
    </dependency>
  </dependencies>

      <version>1.0</version>
      <scope>runtime</scope>
    </dependency>

    <dependency>
      <groupId>maven-test-runtime</groupId>
      <artifactId>scope-compile</artifactId>
      <version>1.0</version>
      <scope>compile</scope>
    </dependency>

  </dependencies>

    /**
     * Pattern for XML encoding.
     */
    protected Pattern xmlEncodingPattern =
            Pattern.compile("<\\?xml.*encoding\\s*=\\s*['\"]([\\w\\d\\-_]*)['\"]\\s*\\?>", Pattern.MULTILINE | Pattern.CASE_INSENSITIVE);

    /**
     * Pattern for XML tags.
     */
    protected Pattern xmlTagPattern = Pattern.compile("<[^>]+>");

    /**
     * Returns the encoding pattern.
     * @return The encoding pattern.
     */

            Pattern.compile("^user-agent:\\s*([^\\t\\n\\x0B\\f\\r]+)\\s*$", Pattern.CASE_INSENSITIVE);

    /** Pattern for parsing disallow records. */
    protected static final Pattern DISALLOW_RECORD = Pattern.compile("^disallow:\\s*([^\\s]*)\\s*$", Pattern.CASE_INSENSITIVE);

    /** Pattern for parsing allow records. */

/**
 * {@code ArtifactCoordinates} completed with information about how the artifact will be used.
 * This information includes the dependency type (main classes, test classes, <i>etc.</i>),
 * a scope (compile, runtime <i>etc.</i>), an obligation (whether the dependency
 * is optional or mandatory), and possible exclusions for transitive dependencies.

        sitemapsRule.addRule("url", Pattern.compile(".*sitemap.*"));
        assertTrue(sitemapsRule.match(responseData));
        InputStream is = responseData.getResponseBody();
        assertTrue(is instanceof InputStream);
        CloseableUtil.closeQuietly(responseData);
    }

    private void assertMatchFalse(ResponseData responseData) {
        sitemapsRule.addRule("url", Pattern.compile(".*sitemap.*"));

  <build>
    <plugins>
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-compiler-plugin</artifactId>
        <executions>
          <execution>
            <id>normal</id>

            <goals>
              <goal>compile</goal>
            </goals>
          </execution>
        </executions>
      </plugin>
    </plugins>
  </build>

{
  "java.compile.nullAnalysis.mode": "automatic"

@Singleton
@Deprecated(since = "4.0.0")
public class JdkVersionProfileActivator implements ProfileActivator {

    private static final Pattern FILTER_1 = Pattern.compile("[^\\d._-]");
    private static final Pattern FILTER_2 = Pattern.compile("[._-]");
    private static final Pattern FILTER_3 = Pattern.compile("\\."); // used for split now

    @Override
    public boolean isActive(Profile profile, ProfileActivationContext context, ModelProblemCollector problems) {