| Name | Description | Type | Package | Framework |
| RegexFilter | the Tuple stream accordingly. | Class | cascading.operation.regex | Cascading |
| RegexGenerator | Note a null valued argument passed to the parser will be converted to an empty string ("") before the regex is applied. | Class | cascading.operation.regex | Cascading |
| RegexMatcher | This operation uses Matcher internally, specifically the method Matcher. | Class | cascading.operation.regex | Cascading |
| RegexOperation | Class | cascading.operation.regex | Cascading | |
| RegexParser | RegexParser only expects one field value. | Class | cascading.operation.regex | Cascading |
| RegexReplace | RegexReplace only expects one field value. | Class | cascading.operation.regex | Cascading |
| RegexSplitGenerator | Class RegexGenerator will emit a new Tuple for every split on the incoming argument value delimited by the given patternString. | Class | cascading.operation.regex | Cascading |
| RegexSplitter | RegexSplitter only expects one field value. | Class | cascading.operation.regex | Cascading |