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BNF should have an expression for character classes and negated character classes. #6

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dvberkel opened this issue Jul 5, 2021 · 0 comments
Open

BNF should have an expression for character classes and negated character classes. #6

dvberkel opened this issue Jul 5, 2021 · 0 comments

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@dvberkel
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dvberkel commented Jul 5, 2021

When expressing the grammar for the template project, I wanted to express the following.

any character not an '' or an '{'

With regular expressions that allow character classes this could succinctly be expressed by: [^\{]

I would like something similar in our definition of Backus-Naur form.
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