| Name | Description | Type | Package | Framework |
| CharacterArrayCharacterIterator | Encapsulates char[] as CharacterIteratorVersion:CVS $Id: CharacterArrayCharacterIterator. | Class | com.codename1.util.regex | CodeName One |
| CharacterIterator | Encapsulates different types of character sources - String, InputStream, . | Interface | com.codename1.util.regex | CodeName One |
| RE | RE is an efficient, lightweight regular expression evaluator/matcher class. | Class | com.codename1.util.regex | CodeName One |
| ReaderCharacterIterator | Encapsulates java. | Class | com.codename1.util.regex | CodeName One |
| RECharacter | Class | com.codename1.util.regex | CodeName One | |
| RECompiler | A regular expression compiler class. | Class | com.codename1.util.regex | CodeName One |
| REDebugCompiler | A subclass of RECompiler which can dump a regular expression program for debugging purposes. | Class | com.codename1.util.regex | CodeName One |
| REProgram | A class that holds compiled regular expressions. | Class | com.codename1.util.regex | CodeName One |
| RESyntaxException | Exception thrown to indicate a syntax error in a regular expression. | Class | com.codename1.util.regex | CodeName One |
| REUtil | This is a class that contains utility helper methods for this package. | Class | com.codename1.util.regex | CodeName One |
| StreamCharacterIterator | Encapsulates java. | Class | com.codename1.util.regex | CodeName One |
| StringCharacterIterator | Encapsulates String as CharacterIterator. | Class | com.codename1.util.regex | CodeName One |
| StringReader | Class | com.codename1.util.regex | CodeName One | |