## substring(offset, count) {#int-int}

Extracts a range of data from the node.

### Returns 





```python
def substring(self, offset, count):
    ...
```


| Parameter | Type | Description |
| :- | :- | :- |
| offset | int | The offset. |
| count | int | The count. |



### See Also
* module [aspose.finance.xbrl.dom](../../)
* class [ProcessingInstruction](/finance/python-net/aspose.finance.xbrl.dom/processinginstruction)