Lexicographic Patterns
Lexicographical pattern is the pattern based on the ASCII value or can be said in dictionary order. We consider the lexicographic order of characters as their order of ASCII value. Hence the lexicographical order of characters will be
‘A’, ‘B’, ‘C’, …, ‘Y’, ‘Z’, ‘a’, ‘b’, ‘c’, …, ‘y’, ‘z’.
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