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Evaluate if the "!" and "&" operators of Parsing expressions grammars make sense #16

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zimmski opened this issue Oct 30, 2014 · 0 comments

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zimmski commented Oct 30, 2014

See https://en.wikipedia.org/wiki/Parsing_expression_grammar

The parsing expression foo &(bar) matches and consumes the text "foo" but only if it is followed by the text "bar". The parsing expression foo !(bar) matches the text "foo" but only if it is not followed by the text "bar".

This sounds interesting for the Tavor format but might be unnecessary.

zimmski added the enhancement label

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