NSLinguisticTagger has been a part of iOS since iOS5 :)<p>Link: <a href="http:&#x2F;&#x2F;nshipster.com&#x2F;nslinguistictagger&#x2F;" rel="nofollow">http:&#x2F;&#x2F;nshipster.com&#x2F;nslinguistictagger&#x2F;</a>