Perhaps a new problem group dealing with string arrays, character arrays, and cell arrays of character vectors can be added on Cody.
@"Peng Lui": The first Challenge Group involving strings and the like (Strings I) has been posted.
And for the poor souls who don't have 2016b...
This solution no longer passes as of 8/19/2017.
7 segment LED display
Largest Twin Primes
Calculate the Number of Sign Changes in a Row Vector (No Element Is Zero)
Formatting currency numbers
Eliminate Polysyllabics: Long live short words!
Balanced Ternary Numbers: Easy as |, |-, |o
Do the line-segments intersect?
Fix the last element of a cell array
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