Generate Passwords from Regex Constraints
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HN · launched Dec 15, 2025 · 8 upvotes (top 58%) · 0 views
Niche: password management tools · 92 launches, 18 in the last 7 days · Explore this niche →
Category and tags
- Security
- Dev tools
- Developer
- Not AI
- Hobby / open-source project
Visit website ↗ Source listing ↗
More like this: all 92 launches in password management tools →
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 : 270 launches clear the similarity bar, closest 8 shown.
Attention rank: #137 of 271 (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 0.62
- Privacy focused client side password generator · hn · 2026-08-19 · 8 upvotes · similarity 0.57
- Your Password Generator · ph · 2026-10-19 · 2 upvotes · similarity 0.54
- archive-password-recovery · github · 2026-11-10 · 102 upvotes · similarity 0.54
- Brute · github · 2026-09-18 · 8 upvotes · similarity 0.53
- TinyPass · ph · 2026-11-11 · 1 upvotes · similarity 0.52
- Password Generator · ph · 2026-11-13 · 1 upvotes · similarity 0.52
- SolixTools · ph · 2026-09-29 · 1 upvotes · similarity 0.51
The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.