NLTagger

NamedEntityRecognition2.swift

import NaturalLanguage

let text = "Prime Minister Boris Johnson has urged the EU to re-open the withdrawal deal reached with Theresa May, and to make key changes that would allow it to be passed by Parliament."
let tagger = NLTagger(tagSchemes: [.nameType ])
tagger.string = text
let options: NLTagger.Options = [.omitPunctuation, .omitWhitespace, .joinNames]
let tags: [NLTag] = [.personalName, .placeName, .organizationName, .adverb ,NLTag.pronoun, NLTag.determiner, NLTag.noun , NLTag.interjection ]
tagger.enumerateTags(in: text.startIndex..<text.endIndex, unit: .word, scheme: NLTagScheme.nameType, options: options) { tag, tokenRange in
    if let tag = tag, tags.contains(tag) {
        print("\(text[tokenRange]): \(tag.rawValue)")
    }
    return true
}