> ## Documentation Index
> Fetch the complete documentation index at: https://docs.ag2.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# autogen.retrieve_utils.is_url

<code class="doc-symbol doc-symbol-heading doc-symbol-function" />

#### is\_url

```python theme={null}
is_url(string: str) -> 
```

Return True if the string is a valid URL.

<b>Parameters:</b>

| Name     | Description   |
| -------- | ------------- |
| `string` | **Type:** str |

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