If my over-use of str2num has in any way caused offense, I hereby beg leave to apologize.
My hat's off to you for such a solution. I'm baffled as to how to decode it (pun intended). I know that there has been a lot of furor over the use of regexp and other string-based functions, conversions, etc. to lower solution sizes for problems in general, but this problem is string-based, so I see no problem in solving it via arcane string methods.
Alphabetize by last name
Renaming a field in a structure array
Back to basics 21 - Matrix replicating
Generate N equally spaced intervals between -L and L
Convert from Fahrenheit to Celsius
Word Search Solver
Scrabble Scores - 6
Combined Ages 2 - Symmetric, n ≥ 3
Tic-Tac-Logic - Solution Checker
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