Do we need faster regex?

[Dmitry Olshansky]

On Sunday, 17 December 2023 at 17:40:21 UTC, Witold Baryluk wrote:
> On Sunday, 17 December 2023 at 15:43:22 UTC, Dmitry Olshansky 
> wrote:
>> So I’ve been working on rewind-regex trying to correct all of 
>> the decisions in the original engine that slowed it down, 
>> dropping some features that I knew I cannot implement 
>> efficiently (backreferences have to go).
>>
>> So while I’m obsessed with simplicity and speed I thought I’d 
>> ask people if it was an issue and what they really want from 
>> gen2 regex library.
>>
>> —
>> Dmitry Olshansky
>> CEO @ Glowlabs
>> https://olshansky.me
>
> I never needed to use backreferences in last 25 years. 
> Something that has similar performance and scaling like RE2, 
> Plan 9 grep, or original awk (modulo unicode), would be the 
> best.

Yes, RE2 is the main contender, rewind-regex aims at basically 
the same feature set and better/same performance.

> I somebody needs backreferences, they can use PCRE, or some 3rd 
> party libraries.

Same thoughts here.

—
Dmitry Olshansky
CEO @ Glowlabs
https://olshansky.me