nl_tokens: Filters the list of word combination objects based on function word filters a special character filter and a one - character filter .
pl_tokens: function filterCombinations ( combinations , functionWords , language ) { combinations = filterFunctionWordsAnywhere ( combinations , specialCharacters ) ; combinations = filterOneCharacterWordCombinations ( combinations ) ; combinations = filterFunctionWords ( combinations , functionWords ) ; if ( <mask> === "en" ) { combinations = filterEndingWith ( combinations , "'s" , [ ] ) ; } return combinations ; }