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Re: Interesting paper on regex NFA matching

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  Re: Interesting paper on regex NFA matching Ev Drikos <drikosev@gmail.com> - 2024-02-04 11:14 +0200

#3553 — Re: Interesting paper on regex NFA matching

On 27/01/2024 12:47, Christopher F Clark wrote:

>
> You are mistaken that they are not applicable to programming languages.
>

Hello,

I agree; another example is the keyword FORMAT in Fortran. No matter how
the scanner is implemented, generated or hand coded, the  FORMAT
statement requires forward scanning if the parser is deterministic,
in which case error messages can be IMHO descriptive, as shown ie here:
https://gist.github.com/drikosev/56202b8d928c22da33aebc7cc0e16193

Related examples with the lookahead operator '+:' can be found here:
https://github.com/drikosev/Fortran/blob/master/OMP_Fortran_Scanner.txt

Hope, I'm not out of topic.

Ev. Drikos

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