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| From: | Stefan Monnier |
| Subject: | Re: `looking-back' strange warning |
| Date: | Thu, 01 Oct 2015 20:10:12 -0400 |
| User-agent: | Gnus/5.13 (Gnus v5.13) Emacs/25.0.50 (gnu/linux) |
> `re-search-backward' already slow without LIMIT?
Note that re-search-* performs a *search* whereas looking-at (and
looking-back) perform a *match*, which is expected to be quicker.
re-search-* is implemented by performing a *match* at every position and
stop at the first where a match is encountered.
Stefan
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