Shinsuke Sugaya <******@****.***> 1576358545 +0900

Shinsuke Sugaya <******@****.***> 1576358545 +0900

Shinsuke Sugaya <******@****.***> 1576358545 +0900

Shinsuke Sugaya <******@****.***> 1576358545 +0900

Shinsuke Sugaya <******@****.***> 1576358545 +0900

Shinsuke Sugaya <******@****.***> 1576358545 +0900

Shinsuke Sugaya <******@****.***> 1576358545 +0900

Shinsuke Sugaya <******@****.***> 1576358545 +0900

## Add regular expressions { #add-regular-expressions }

You can define a <abbr title="A regular expression, regex or regexp is a sequence of characters that define a search pattern for strings.">regular expression</abbr> `pattern` that the parameter should match:

{* ../../docs_src/query_params_str_validations/tutorial004_an_py310.py hl[11] *}

 * <li>User agent settings</li>
 * <li>URL pattern matching with regular expressions and contains filters</li>
 * </ul>
 *
 */
public class GsaConfigParser extends DefaultHandler {

    /** Logger instance for this class. */
    private static final Logger logger = LogManager.getLogger(GsaConfigParser.class);

    /** Prefix for regular expression patterns. */
    public static final String REGEXP = "regexp:";