Generate Passwords from Regex Constraints
Details
- External ID
- 46271996
- Source
- HN
- Company
- —
- Product
- Generate Passwords from Regex Constraints
- Website domain
- github.io
- Launched
- Dec. 15, 2025
- Cohort
- —
- Upvotes
- 8
- Upvotes percentile
- 0.4217557251908397
- Tags
- —
- Fetched at
- Sept. 7, 2026, 9:25 p.m.
- Updated at
- Sept. 7, 2026, 9:25 p.m.
Enrichment
- Theme
- security exploits and system hacking tools
- Vertical
- Security
- Function
- Dev tools
- Audience
- Developer
- AI stance
- Not AI
- Project type
- Hobby / open-source project
- Normalized one-liner
- generate passwords matching regex patterns
- Manually corrected
- False
Could you build this?
Yes A single-page utility tool that tests generated strings against regex patterns or parses regex into ASTs to generate matching strings can be created quickly with AI assistance.
Discussion
6 comments analyzed.
Competitors mentioned: Password managers with built-in generators, Common password generation tools
Concerns raised: Unicode characters rendering as boxes instead of valid characters, Bug with character selection not respecting constraints properly, Generated strings contain unexpected Unicode block characters
Feature requests: Interactive configuration UI (length, character types) for non-regex users, Simplified character selection (uppercase, lowercase, numbers, symbols) without regex, Visual preview showing regex changes as configuration updates
Competitors
Other products that read as similar to this one — 103 launches clear the similarity bar, closest 8 shown.
Attention rank: #40 of 104 (itself plus its competitors, highest first — normalized so YC and Product Hunt are compared fairly).
Launched 45 days after the earliest competitor.
- Password-generator · github · 2026-09-10 · 8 upvotes · similarity 0.61
- Privacy focused client side password generator · hn · 2026-08-19 · 8 upvotes · similarity 0.56
- Brute · github · 2026-09-18 · 8 upvotes · similarity 0.52
- SolixTools · ph · 2026-09-29 · 1 upvotes · similarity 0.51
- perex · github · 2026-09-10 · 10 upvotes · similarity 0.47
- Password-less authentication via Ramanujan's 1/π series and Nvidia-B200 · hn · 2026-05-07 · 5 upvotes · similarity 0.44
- PassGen · ph · 2026-09-26 · 1 upvotes · similarity 0.44
- Best Password Generator · ph · 2026-09-20 · 1 upvotes · similarity 0.44
Other launches for this product
- No other launches for this product.
Same idea, different domain
Nobody's really built a dev tools tool for Sales yet.