Objective-C: -[NSString wordCount]

Question

What\'s a simple implementation of the following NSString category method that returns the number of words in self, where words are separated by an

Answer 1

A Objective-C one-liner version

NSInteger wordCount = word ? ([word stringByTrimmingCharactersInSet:NSCharacterSet.whitespaceAndNewlineCharacterSet.invertedSet].length + 1) : 0;