https://bugs.exim.org/show_bug.cgi?id=1694

--- Comment #3 from Behdad Esfahbod <[email protected]> ---
Thanks Philip.

One major problem we face is that eventually we want to allow multi-line regex
search.

I was thinking, perhaps something along these lines is possible:

  1. add a function that compiles the reverse of a given regex,

  2. possibly have a mode that would reverse the input before matching,

But thinking about it more, it gets really complicated around handling Unicode
properly.

Still, an idea.

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