Playfair cipher: Difference between revisions

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Line 1,148:
# Get array of pairs of letters from text.
canontxt = canonical(txt)
letterpairs = map(x -> [canontxt[xi:i+1], findall(r"(.)(?for i in 1:2:length(?!\1)(.))?", canontxt))-1]
 
if isencode
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