# 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

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```pycon
>>> dt = DataTree.from_dict(
...     {
...         "/a/A": None,
...         "/a/B": None,
...         "/b/A": None,
...         "/b/B": None,
...     }
... )
>>> dt.match("*/B")
<xarray.DataTree>
Group: /
├── Group: /a
│   └── Group: /a/B
└── Group: /b
    └── Group: /b/B
```

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