## String::IsNullOrEmpty() const method


Checks if string is empty or is considered null.

```cpp
bool System::String::IsNullOrEmpty() const
```


### ReturnValue

true if string is empty or null, false otherwise.

## See Also

* Class [String](../)
* Namespace [System](../../)
* Library [Aspose.TeX for C++](../../../)
## String::IsNullOrEmpty(const String\&) method


Checks if passed string is null or empty.

```cpp
static bool System::String::IsNullOrEmpty(const String &str)
```


| Parameter | Type | Description |
| --- | --- | --- |
| str | const String\& | [String](../) to check. |

### ReturnValue

true if string is null or empty, false otherwise.

## See Also

* Class [String](../)
* Class [String](../)
* Namespace [System](../../)
* Library [Aspose.TeX for C++](../../../)