This looks much (c)leaner than the REGEXP method.
while on the topic of 'undocumented trivia that will earn you a couple of cody points for no good reason', have you seen this one?
I believe this is the very first use of the Ans Hack in Cody. See http://blogs.mathworks.com/community/2016/06/23/the-great-ans-hack/
interesting use of strread to turn a string into a cell array (though probably only really useful in cody)
Kids, don't try this at home. :-)
This solution was proposed by Oleg Komarov.
Get the area codes from a list of phone numbers
Is the Point in a Circle?
Getting logical indexes
Spot the rectangle (Part 2)
Find a subset that divides the vector into equal halves
Crossing to Kissing - Untangle the Lines
Do the line-segments intersect?
Fix the last element of a cell array
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