The state of NLP tools generally is much lower than most people think. People think it is much easier than it is.<p>For the date parser you want <a href="http:&#x2F;&#x2F;nlp.stanford.edu&#x2F;software&#x2F;sutime.html" rel="nofollow">http:&#x2F;&#x2F;nlp.stanford.edu&#x2F;software&#x2F;sutime.html</a><p>The code and rules aren&#x27;t fun to customize though.