The function is used to search for interjections. It duplicates the functionality of the functions lemma(), stem(), form(), partofspeech() allowing to write a query in a more concise way.

The function accepts single argument. When used without arguments, the function matches any interjection.

Documents matching the query.

interjection() = lemma(interjection) matches all interjections in the text.

interjection(please, ok) = partofspeech(interjection, please, ok) matches all occurrences of the interjections "please" and "ok".