| RegexCapabilities | Defines basic operations needed by RegexQuery for a regular expression implementation. | code | html |
| RegexQueryCapable | Defines methods for regular expression supporting Querys to use. | code | html |
| JakartaRegexpCapabilities | Implementation tying Jakarta Regexp to RegexQuery. | code | html |
| JavaUtilRegexCapabilities | An implementation tying Java's built-in java.util.regex to RegexQuery. | code | html |
| RegexQuery | Implements the regular expression term search query. | code | html |
| RegexTermEnum | Subclass of FilteredTermEnum for enumerating all terms that match the specified regular expression term using the specified regular expression implementation. | code | html |
| SpanRegexQuery | A SpanQuery version of RegexQuery allowing regular expression queries to be nested within other SpanQuery subclasses. | code | html |