Additional test cases have been added.
nice internal reference to the match.
a simple improvement could be to parse "s" as input and write "lower($0(2:..." in the replacement string.
two steps in one op, nicely done!
Convert a numerical matrix into a cell array of strings
Get the elements of diagonal and antidiagonal for any m-by-n matrix
Magic is simple (for beginners)
Solving Quadratic Equations (Version 1)
How many Integers?
Product of Each Column
Separate even from odd numbers in a vector - with a loop
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