ND RE#: how we built the fastest regex engine in F# (iev.ee)
234 points by exceptione 6 days ago | 77 comments on HN ~lite vlite-2.0
Summary ~lite
Technical blog post about building a fast regex engine in F#.
Lite evaluation by llama-4-scout-wai-psq · editorial channel only · no per-section breakdown available
Longitudinal 693 HN snapshots · 132 evals
+1 0 −1 HN
Audit Trail 152 entries
2026-03-06 22:39 eval_success PSQ evaluated: g-PSQ=0.440 (3 dims) - -
2026-03-06 22:39 eval Evaluated by llama-4-scout-wai-psq: +0.44 (Moderate positive) 0.00
2026-03-06 22:20 eval_success PSQ evaluated: g-PSQ=0.322 (3 dims) - -
2026-03-06 22:20 eval Evaluated by llama-3.3-70b-wai-psq: +0.32 (Moderate positive) 0.00
2026-03-06 21:07 eval_success PSQ evaluated: g-PSQ=0.322 (3 dims) - -
2026-03-06 21:07 eval Evaluated by llama-3.3-70b-wai-psq: +0.32 (Moderate positive) 0.00
2026-03-06 21:05 eval_success PSQ evaluated: g-PSQ=0.440 (3 dims) - -
2026-03-06 21:05 eval Evaluated by llama-4-scout-wai-psq: +0.44 (Moderate positive) 0.00
2026-03-06 20:26 eval_success PSQ evaluated: g-PSQ=0.322 (3 dims) - -
2026-03-06 20:26 eval Evaluated by llama-3.3-70b-wai-psq: +0.32 (Moderate positive) 0.00
2026-03-06 20:22 eval_success PSQ evaluated: g-PSQ=0.440 (3 dims) - -
2026-03-06 20:22 eval Evaluated by llama-4-scout-wai-psq: +0.44 (Moderate positive) 0.00
2026-03-06 20:17 eval_success PSQ evaluated: g-PSQ=0.440 (3 dims) - -
2026-03-06 20:17 eval Evaluated by llama-4-scout-wai-psq: +0.44 (Moderate positive) 0.00
2026-03-06 19:50 eval_success PSQ evaluated: g-PSQ=0.322 (3 dims) - -
2026-03-06 19:50 eval Evaluated by llama-3.3-70b-wai-psq: +0.32 (Moderate positive) 0.00
2026-03-06 19:40 eval_success PSQ evaluated: g-PSQ=0.440 (3 dims) - -
2026-03-06 19:40 eval Evaluated by llama-4-scout-wai-psq: +0.44 (Moderate positive) 0.00
2026-03-06 19:16 eval_success PSQ evaluated: g-PSQ=0.322 (3 dims) - -
2026-03-06 19:16 eval Evaluated by llama-3.3-70b-wai-psq: +0.32 (Moderate positive) 0.00
2026-03-06 19:06 eval_success PSQ evaluated: g-PSQ=0.440 (3 dims) - -
2026-03-06 19:05 eval Evaluated by llama-4-scout-wai-psq: +0.44 (Moderate positive) 0.00
2026-03-06 18:33 eval_success PSQ evaluated: g-PSQ=0.322 (3 dims) - -
2026-03-06 18:33 eval Evaluated by llama-3.3-70b-wai-psq: +0.32 (Moderate positive) 0.00
2026-03-06 18:20 eval_success PSQ evaluated: g-PSQ=0.440 (3 dims) - -
2026-03-06 18:20 eval Evaluated by llama-4-scout-wai-psq: +0.44 (Moderate positive) 0.00
2026-03-06 17:19 eval_success PSQ evaluated: g-PSQ=0.322 (3 dims) - -
2026-03-06 17:19 eval Evaluated by llama-3.3-70b-wai-psq: +0.32 (Moderate positive) 0.00
2026-03-06 17:08 eval_success PSQ evaluated: g-PSQ=0.440 (3 dims) - -
2026-03-06 17:08 eval Evaluated by llama-4-scout-wai-psq: +0.44 (Moderate positive) 0.00
2026-03-06 16:42 eval_success PSQ evaluated: g-PSQ=0.322 (3 dims) - -
2026-03-06 16:42 eval Evaluated by llama-3.3-70b-wai-psq: +0.32 (Moderate positive) +0.00
2026-03-06 16:29 eval_success PSQ evaluated: g-PSQ=0.440 (3 dims) - -
2026-03-06 16:29 eval Evaluated by llama-4-scout-wai-psq: +0.44 (Moderate positive) 0.00
2026-03-06 16:25 eval_success PSQ evaluated: g-PSQ=0.440 (3 dims) - -
2026-03-06 16:25 eval Evaluated by llama-4-scout-wai-psq: +0.44 (Moderate positive) 0.00
2026-03-06 16:08 eval_success PSQ evaluated: g-PSQ=0.321 (3 dims) - -
2026-03-06 16:08 eval Evaluated by llama-3.3-70b-wai-psq: +0.32 (Moderate positive) -0.00
2026-03-06 16:03 eval_success PSQ evaluated: g-PSQ=0.322 (3 dims) - -
2026-03-06 16:03 eval Evaluated by llama-3.3-70b-wai-psq: +0.32 (Moderate positive) 0.00
2026-03-06 15:49 eval Evaluated by llama-4-scout-wai-psq: +0.44 (Moderate positive) 0.00
2026-03-06 15:44 eval Evaluated by llama-4-scout-wai-psq: +0.44 (Moderate positive) 0.00
2026-03-06 15:28 eval Evaluated by llama-3.3-70b-wai-psq: +0.32 (Moderate positive) 0.00
2026-03-06 15:06 eval Evaluated by llama-4-scout-wai-psq: +0.44 (Moderate positive) 0.00
2026-03-06 14:52 eval Evaluated by llama-3.3-70b-wai-psq: +0.32 (Moderate positive) 0.00
2026-03-06 14:23 eval Evaluated by llama-4-scout-wai-psq: +0.44 (Moderate positive) 0.00
2026-03-06 14:07 eval Evaluated by llama-3.3-70b-wai-psq: +0.32 (Moderate positive) 0.00
2026-03-06 13:47 eval Evaluated by llama-4-scout-wai-psq: +0.44 (Moderate positive) 0.00
2026-03-06 13:28 eval Evaluated by llama-3.3-70b-wai-psq: +0.32 (Moderate positive) 0.00
2026-03-06 13:07 eval Evaluated by llama-4-scout-wai-psq: +0.44 (Moderate positive) 0.00
2026-03-06 12:55 eval Evaluated by llama-3.3-70b-wai-psq: +0.32 (Moderate positive) +0.00
2026-03-06 12:31 eval Evaluated by llama-4-scout-wai-psq: +0.44 (Moderate positive) 0.00
2026-03-06 12:22 eval Evaluated by llama-3.3-70b-wai-psq: +0.32 (Moderate positive) -0.00
2026-03-06 11:57 eval Evaluated by llama-4-scout-wai-psq: +0.44 (Moderate positive) 0.00
2026-03-06 11:49 eval Evaluated by llama-3.3-70b-wai-psq: +0.32 (Moderate positive) 0.00
2026-03-06 11:25 eval Evaluated by llama-4-scout-wai-psq: +0.44 (Moderate positive) 0.00
2026-03-06 11:17 eval Evaluated by llama-3.3-70b-wai-psq: +0.32 (Moderate positive) 0.00
2026-03-06 11:12 eval Evaluated by llama-3.3-70b-wai-psq: +0.32 (Moderate positive) 0.00
2026-03-06 10:52 eval Evaluated by llama-4-scout-wai-psq: +0.44 (Moderate positive) 0.00
2026-03-06 10:39 eval Evaluated by llama-3.3-70b-wai-psq: +0.32 (Moderate positive) 0.00
2026-03-06 10:34 eval Evaluated by llama-3.3-70b-wai-psq: +0.32 (Moderate positive) 0.00
2026-03-06 10:18 eval Evaluated by llama-4-scout-wai-psq: +0.44 (Moderate positive) 0.00
2026-03-06 10:03 eval Evaluated by llama-3.3-70b-wai-psq: +0.32 (Moderate positive) 0.00
2026-03-06 09:58 eval Evaluated by llama-3.3-70b-wai-psq: +0.32 (Moderate positive) 0.00
2026-03-06 09:44 eval Evaluated by llama-4-scout-wai-psq: +0.44 (Moderate positive) 0.00
2026-03-06 09:25 eval Evaluated by llama-3.3-70b-wai-psq: +0.32 (Moderate positive) 0.00
2026-03-06 09:09 eval Evaluated by llama-4-scout-wai-psq: +0.44 (Moderate positive) 0.00
2026-03-06 08:53 eval Evaluated by llama-3.3-70b-wai-psq: +0.32 (Moderate positive) 0.00
2026-03-06 08:37 eval Evaluated by llama-4-scout-wai-psq: +0.44 (Moderate positive) 0.00
2026-03-06 08:25 eval Evaluated by llama-3.3-70b-wai-psq: +0.32 (Moderate positive) 0.00
2026-03-06 08:20 eval Evaluated by llama-3.3-70b-wai-psq: +0.32 (Moderate positive) +0.00
2026-03-06 08:07 eval Evaluated by llama-4-scout-wai-psq: +0.44 (Moderate positive) 0.00
2026-03-06 07:49 eval Evaluated by llama-3.3-70b-wai-psq: +0.32 (Moderate positive) 0.00
2026-03-06 07:35 eval Evaluated by llama-4-scout-wai-psq: +0.44 (Moderate positive) 0.00
2026-03-06 07:16 eval Evaluated by llama-3.3-70b-wai-psq: +0.32 (Moderate positive) -0.00
2026-03-06 07:03 eval Evaluated by llama-4-scout-wai-psq: +0.44 (Moderate positive) 0.00
2026-03-06 06:46 eval Evaluated by llama-3.3-70b-wai-psq: +0.32 (Moderate positive) 0.00
2026-03-06 06:30 eval Evaluated by llama-4-scout-wai-psq: +0.44 (Moderate positive) 0.00
2026-03-06 06:25 eval Evaluated by llama-4-scout-wai-psq: +0.44 (Moderate positive) 0.00
2026-03-06 06:15 eval Evaluated by llama-3.3-70b-wai-psq: +0.32 (Moderate positive) 0.00
2026-03-06 05:52 eval Evaluated by llama-4-scout-wai-psq: +0.44 (Moderate positive) 0.00
2026-03-06 05:34 eval Evaluated by llama-3.3-70b-wai-psq: +0.32 (Moderate positive) 0.00
2026-03-06 04:45 eval Evaluated by llama-4-scout-wai-psq: +0.44 (Moderate positive) 0.00
2026-03-06 04:09 eval Evaluated by llama-3.3-70b-wai-psq: +0.32 (Moderate positive) 0.00
2026-03-05 18:53 eval Evaluated by llama-4-scout-wai-psq: +0.44 (Moderate positive) 0.00
2026-03-05 14:11 eval Evaluated by llama-3.3-70b-wai-psq: +0.32 (Moderate positive) 0.00
2026-03-05 07:53 eval Evaluated by llama-4-scout-wai-psq: +0.44 (Moderate positive) 0.00
2026-03-05 07:48 eval Evaluated by llama-4-scout-wai-psq: +0.44 (Moderate positive) 0.00
2026-03-05 06:37 eval Evaluated by llama-3.3-70b-wai-psq: +0.32 (Moderate positive) 0.00
2026-03-05 06:32 eval Evaluated by llama-3.3-70b-wai-psq: +0.32 (Moderate positive) +0.00
2026-03-05 04:42 eval Evaluated by llama-4-scout-wai-psq: +0.44 (Moderate positive)
2026-03-05 04:25 eval Evaluated by llama-3.3-70b-wai-psq: +0.32 (Moderate positive)
2026-03-05 04:13 eval Evaluated by llama-4-scout-wai: -0.68 (Strong negative) 0.00
reasoning
Technical blog post about building a regex engine in F#, no human rights discussion
2026-03-05 03:54 eval Evaluated by llama-3.3-70b-wai: -0.04 (Neutral) 0.00
reasoning
Technical blog post on regex engine
2026-03-05 03:40 eval Evaluated by llama-4-scout-wai: -0.68 (Strong negative) 0.00
reasoning
Technical blog post about building a regex engine in F#, no human rights discussion
2026-03-05 03:10 eval Evaluated by llama-3.3-70b-wai: -0.04 (Neutral) 0.00
reasoning
Technical blog post on regex engine
2026-03-05 02:57 eval Evaluated by llama-4-scout-wai: -0.68 (Strong negative) 0.00
reasoning
Technical blog post about building a regex engine in F#, no human rights discussion
2026-03-05 02:30 eval Evaluated by llama-3.3-70b-wai: -0.04 (Neutral) -0.04
reasoning
Technical blog post on regex engine
2026-03-05 02:17 eval Evaluated by llama-4-scout-wai: -0.68 (Strong negative) 0.00
reasoning
Technical blog post about building a regex engine in F#, no human rights discussion
2026-03-05 01:57 eval Evaluated by llama-3.3-70b-wai: 0.00 (Neutral) 0.00
reasoning
Technical blog post on regex engine
2026-03-05 01:52 eval Evaluated by llama-3.3-70b-wai: 0.00 (Neutral) +0.04
reasoning
Technical blog post on regex engine
2026-03-05 01:42 eval Evaluated by llama-4-scout-wai: -0.68 (Strong negative) 0.00
reasoning
Technical blog post about building a regex engine in F#, no human rights discussion
2026-03-05 01:37 eval Evaluated by llama-4-scout-wai: -0.68 (Strong negative) 0.00
reasoning
Technical blog post about building a regex engine in F#, no human rights discussion
2026-03-05 01:12 eval Evaluated by llama-3.3-70b-wai: -0.04 (Neutral) 0.00
reasoning
Technical blog post on regex engine
2026-03-05 00:59 eval Evaluated by llama-4-scout-wai: -0.68 (Strong negative) 0.00
reasoning
Technical blog post about building a regex engine in F#, no human rights discussion
2026-03-05 00:37 eval Evaluated by llama-3.3-70b-wai: -0.04 (Neutral) -0.04
reasoning
Technical blog post on regex engine
2026-03-05 00:19 eval Evaluated by llama-4-scout-wai: -0.68 (Strong negative) 0.00
reasoning
Technical blog post about building a regex engine in F#, no human rights discussion
2026-03-05 00:13 eval Evaluated by llama-4-scout-wai: -0.68 (Strong negative) 0.00
reasoning
Technical blog post about building a regex engine in F#, no human rights discussion
2026-03-04 23:56 eval Evaluated by llama-3.3-70b-wai: 0.00 (Neutral) 0.00
reasoning
Technical blog post on regex engine
2026-03-04 23:51 eval Evaluated by llama-3.3-70b-wai: 0.00 (Neutral) 0.00
reasoning
Technical blog post on regex engine
2026-03-04 23:36 eval Evaluated by llama-4-scout-wai: -0.68 (Strong negative) 0.00
reasoning
Technical blog post about building a regex engine in F#, no human rights discussion
2026-03-04 23:18 eval Evaluated by llama-3.3-70b-wai: 0.00 (Neutral) 0.00
reasoning
Technical blog post on regex engine
2026-03-04 22:55 eval Evaluated by llama-4-scout-wai: -0.68 (Strong negative) 0.00
reasoning
Technical blog post about building a regex engine in F#, no human rights discussion
2026-03-04 22:35 eval Evaluated by llama-3.3-70b-wai: 0.00 (Neutral) +0.04
reasoning
Technical blog post on regex engine
2026-03-04 22:13 eval Evaluated by llama-4-scout-wai: -0.68 (Strong negative) 0.00
reasoning
Technical blog post about building a regex engine in F#, no human rights discussion
2026-03-04 22:00 eval Evaluated by llama-3.3-70b-wai: -0.04 (Neutral) 0.00
reasoning
Technical blog post on regex engine
2026-03-04 21:43 eval Evaluated by llama-4-scout-wai: -0.68 (Strong negative) 0.00
reasoning
Technical blog post about building a regex engine in F#, no human rights discussion
2026-03-04 21:24 eval Evaluated by llama-3.3-70b-wai: -0.04 (Neutral) 0.00
reasoning
Technical blog post on regex engine
2026-03-04 21:18 eval Evaluated by llama-3.3-70b-wai: -0.04 (Neutral) -0.04
reasoning
Technical blog post on regex engine
2026-03-04 21:00 eval Evaluated by llama-4-scout-wai: -0.68 (Strong negative) 0.00
reasoning
Technical blog post about building a regex engine in F#, no human rights discussion
2026-03-04 20:55 eval Evaluated by llama-4-scout-wai: -0.68 (Strong negative) 0.00
reasoning
Technical blog post about building a regex engine in F#, no human rights discussion
2026-03-04 20:38 eval Evaluated by llama-3.3-70b-wai: 0.00 (Neutral) +0.04
reasoning
Technical blog post on regex engine
2026-03-04 20:33 eval Evaluated by llama-3.3-70b-wai: -0.04 (Neutral) -0.04
reasoning
Technical blog post on regex engine
2026-03-04 20:21 eval Evaluated by llama-4-scout-wai: -0.68 (Strong negative) 0.00
reasoning
Technical blog post about building a regex engine in F#, no human rights discussion
2026-03-04 19:54 eval Evaluated by llama-3.3-70b-wai: 0.00 (Neutral) +0.10
reasoning
Technical blog post on regex engine
2026-03-04 19:40 eval Evaluated by llama-4-scout-wai: -0.68 (Strong negative) 0.00
reasoning
Technical blog post about building a regex engine in F#, no human rights discussion
2026-03-04 19:35 eval Evaluated by llama-4-scout-wai: -0.68 (Strong negative) 0.00
reasoning
Technical blog post about building a regex engine in F#, no human rights discussion
2026-03-04 19:08 eval Evaluated by llama-3.3-70b-wai: -0.10 (Neutral) 0.00
reasoning
Technical blog post on regex engine
2026-03-04 18:29 eval Evaluated by llama-4-scout-wai: -0.68 (Strong negative) 0.00
reasoning
Technical blog post about building a regex engine in F#, no human rights discussion
2026-03-04 18:07 eval Evaluated by llama-3.3-70b-wai: -0.10 (Neutral) 0.00
reasoning
Technical blog post on regex engine
2026-03-04 17:07 eval Evaluated by llama-4-scout-wai: -0.68 (Strong negative) 0.00
reasoning
Technical blog post about building a regex engine in F#, no human rights discussion
2026-03-04 16:40 eval Evaluated by llama-3.3-70b-wai: -0.10 (Neutral) +0.02
reasoning
Technical blog post on regex engine
2026-03-04 16:17 eval Evaluated by llama-4-scout-wai: -0.68 (Strong negative) 0.00
reasoning
Technical blog post about building a regex engine in F#, no human rights discussion
2026-03-04 16:01 eval Evaluated by llama-3.3-70b-wai: -0.12 (Mild negative) -0.02
reasoning
Technical blog post on regex engine
2026-03-04 15:37 eval Evaluated by llama-4-scout-wai: -0.68 (Strong negative) 0.00
reasoning
Technical blog post about building a regex engine in F#, no human rights discussion
2026-03-04 15:32 eval Evaluated by llama-4-scout-wai: -0.68 (Strong negative) 0.00
reasoning
Technical blog post about building a regex engine in F#, no human rights discussion
2026-03-04 15:21 eval Evaluated by llama-3.3-70b-wai: -0.10 (Neutral) 0.00
reasoning
Technical blog post on regex engine
2026-03-04 15:16 eval Evaluated by llama-3.3-70b-wai: -0.10 (Neutral) +0.02
reasoning
Technical blog post on regex engine
2026-03-04 14:55 eval Evaluated by llama-4-scout-wai: -0.68 (Strong negative) 0.00
reasoning
Technical blog post about building a regex engine in F#, no human rights discussion
2026-03-04 14:37 eval Evaluated by llama-3.3-70b-wai: -0.12 (Mild negative) -0.02
reasoning
Technical blog post on regex engine
2026-03-04 14:16 eval Evaluated by llama-4-scout-wai: -0.68 (Strong negative) 0.00
reasoning
Technical blog post about building a regex engine in F#, no human rights discussion
2026-03-04 13:59 eval Evaluated by llama-3.3-70b-wai: -0.10 (Neutral) 0.00
reasoning
Technical blog post on regex engine
2026-03-04 13:35 eval Evaluated by llama-4-scout-wai: -0.68 (Strong negative) 0.00
reasoning
Technical blog post about building a regex engine in F#, no human rights discussion
2026-03-04 13:22 eval Evaluated by llama-3.3-70b-wai: -0.10 (Neutral) 0.00
reasoning
Technical blog post on regex engine
2026-03-04 13:02 eval Evaluated by llama-4-scout-wai: -0.68 (Strong negative) 0.00
reasoning
Technical blog post about building a regex engine in F#, no human rights discussion
2026-03-04 12:57 eval Evaluated by llama-4-scout-wai: -0.68 (Strong negative) 0.00
reasoning
Technical blog post about building a regex engine in F#, no human rights discussion
2026-03-04 12:47 eval Evaluated by llama-3.3-70b-wai: -0.10 (Neutral) 0.00
reasoning
Technical blog post on regex engine
2026-03-04 12:14 eval Evaluated by llama-4-scout-wai: -0.68 (Strong negative) 0.00
reasoning
Technical blog post about building a regex engine in F#, no human rights discussion
2026-03-04 12:09 eval Evaluated by llama-4-scout-wai: -0.68 (Strong negative) 0.00
reasoning
Technical blog post about building a regex engine in F#, no human rights discussion
2026-03-04 12:08 eval Evaluated by llama-3.3-70b-wai: -0.10 (Neutral) 0.00
reasoning
Technical blog post on regex engine
2026-03-04 11:27 eval Evaluated by llama-4-scout-wai: -0.68 (Strong negative)
reasoning
Technical blog post about building a regex engine in F#, no human rights discussion
2026-03-04 11:27 eval Evaluated by llama-3.3-70b-wai: -0.10 (Neutral)
reasoning
Technical blog post on regex engine