| Interface | Description | 
|---|---|
| Regexp | Interface which represents a regular expression, and the operations
 that can be performed on it. | 
| RegexpMatcher | Interface describing a regular expression matcher. | 
| Class | Description | 
|---|---|
| JakartaOroMatcher | Implementation of RegexpMatcher for Jakarta-ORO. | 
| JakartaOroRegexp | Regular expression implementation using the Jakarta Oro package | 
| JakartaRegexpMatcher | Implementation of RegexpMatcher for Jakarta-Regexp. | 
| JakartaRegexpRegexp | Regular expression implementation using the Jakarta Regexp package | 
| Jdk14RegexpMatcher | Implementation of RegexpMatcher for the built-in regexp matcher of
 JDK 1.4. | 
| Jdk14RegexpRegexp | Regular expression implementation using the JDK 1.4 regular expression package | 
| RegexpFactory | Regular expression factory, which will create Regexp objects. | 
| RegexpMatcherFactory | Simple Factory Class that produces an implementation of RegexpMatcher based on the system
 property  ant.regexp.regexpimpland the classes available. | 
| RegexpUtil | Regular expression utilities class which handles flag operations. |