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# Search

The [search option](https://datatables.net/reference/option/search) let you control the initial value for the search field, and whether the query should be treated as a regular expression or not:

```{code-cell} ipython3
import itables

itables.init_notebook_mode()
```

```{code-cell} ipython3
:tags: [full-width]

df = itables.sample_dfs.get_countries()
itables.show(df, search={"regex": True, "caseInsensitive": True, "search": "s.ain"})
```