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How to extract entity id from autocomplete string in Drupal?

When we use autocomplete field, the submitted value will look something like this "Title of the entity (10)". To extract the current entity id from this string we can use helper function extractEntityIdFromAutocompleteInput  from EntityAutocomplete

$autocomplete_data = 'Title of the entity (10)';
$entity_id = EntityAutocomplete::extractEntityIdFromAutocompleteInput($autocomplete_data);