def from_regex_on_care_site_description(care_site: DataFrame) -> DataFrame:
"""Use regular expressions on `care_site_name` to decide if it an emergency care site.
This relies on [this function][eds_scikit.structures.attributes.add_care_site_attributes].
The regular expression used to detect emergency status is `r"\bURG|\bSAU\b|\bUHCDb\b|\bZHTCD\b"`
Parameters
----------
care_site: DataFrame
Should at least contains the `care_site_name` column
Returns
-------
care_site: DataFrame
Dataframe with 1 added column corresponding to the following concept:
- `"IS_EMERGENCY"`
"""
return attributes.add_care_site_attributes(
care_site, only_attributes=["IS_EMERGENCY"]
)