I didn't realize you could use that function with non-digits in your string. Suddenly, this problem is a whole lot easier. :-)
Project Euler: Problem 2, Sum of even Fibonacci
Convert Roman to Arabic Numerals
Back to basics 25 - Valid variable names
Number of 1s in a binary string
Sums of Distinct Powers
Muphry's Law of MATLAB
Numbered lottery balls into cells
Golomb's self-describing sequence (based on Euler 341)
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