# xarray.DataTree.match
#### DataTree.match(pattern)[[source]](https://github.com/pydata/xarray/blob/main/xarray/core/datatree.py#L1779-L1823)
Return nodes with paths matching pattern.
Uses unix glob-like syntax for pattern-matching.
* **Parameters:**
**pattern** ([`str`](https://docs.python.org/3/builtins/stdtypes.html#str)) – A pattern to match each node path against.
* **Returns:**
[`DataTree`](xarray.DataTree.html.md#xarray.DataTree)
#### SEE ALSO
[`filter`](xarray.DataTree.filter.html.md#xarray.DataTree.filter), [`pipe`](xarray.DataTree.pipe.html.md#xarray.DataTree.pipe), [`map_over_datasets`](xarray.map_over_datasets.html.md#xarray.map_over_datasets)
### Examples
```pycon
>>> dt = DataTree.from_dict(
... {
... "/a/A": None,
... "/a/B": None,
... "/b/A": None,
... "/b/B": None,
... }
... )
>>> dt.match("*/B")
Group: /
├── Group: /a
│ └── Group: /a/B
└── Group: /b
└── Group: /b/B
```