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A competition to solve a particular problem through the usage and manipulation of strings.

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characters. Reverse[...] swaps the two sublists of functions so that MapThread will apply the second string's functions to the first string and vice versa. { ... } & is an anonymous function that is … applied to each of the two input strings. {LetterQ[#], UpperCaseQ[#]} & /@ Characters[#] splits a string into a list of characters, then replaces each character with two element lists. In these two element …
answered Jul 27 '15 by Eric Towers