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Are there any 2-D Lexers / Parsers?

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More of an Ask. Is there any 2-D Lexers / Parsers?

All parsers I know read the input text as if it was a stream of characters.

Left To Right, Top to Bottom

Example source text.
 a ::= [ 1 2 3 ]        4 5 6        1 2 3b ::= [ 4 5 6 ]         7 8 9 


I can sort of define the grammar like so
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FizzBuzz in Single Line Of Code

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FizzBuzz in Single Line Of Code

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6000+ Kudos

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6000+ Kudos

Recently I broke through the 6000 Kudos barrier.
So I wrote small program to screen-scrap the contributions page so I could do a breakdown of all my contributions by language section.

Still not quite got the full A-Z in both snippets and tutorials.
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