new DateEntityRecognizer(entityName) → {Bravey.RegexEntityRecognizer}
    An entity recognizer that can recognizes date expressions. Returned entities value is the same of Bravey.Date.formatDate.
    Parameters:
| Name | Type | Description | 
|---|---|---|
| entityName | string | The name of produced entities. | 
- Source:
- To Do:
- 
        - il primo gennaio, il 2 febbraio, etc...