Decision Workspace
informal vs lazy-regex vs sscanf
Side-by-side comparison of Rust crates
41
informal
growingv4.1.1
Macro-based parser combinator library.
71
lazy-regex
stablev3.6.0
lazy static regular expressions checked at compile time
61
sscanf
growingv0.5.0
A sscanf (inverse of format!()) macro with near unlimited parsing capabilities
Core Metrics
| informal | lazy-regex | sscanf | |
|---|---|---|---|
| Health Score | 41 | 71 | 61 |
| Total Downloads | 12.1K | 28.1M | 1.8M |
| 30d Downloads | 3 | 2.5M | 112.7K |
| Dependents | 0 | 4.3K | 135 |
| Releases | 10 | 32 | 17 |
| Last Updated | 1875d ago | 44d ago | 27d ago |
| Age | 5y 2m | 6y 5m | 5y |
Health Breakdown
informal
Maintenance
5
Quality
14
Community
5
Popularity
5
Documentation
12
lazy-regex
Maintenance
15
Quality
22
Community
14
Popularity
8
Documentation
12
sscanf
Maintenance
17
Quality
14
Community
11
Popularity
7
Documentation
12
Technical Details
| informal | lazy-regex | sscanf | |
|---|---|---|---|
| Version | 4.1.1 | 3.6.0 | 0.5.0 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✗ No |
| License | 0BSD | MIT | MIT OR Apache-2.0 |
| Dependencies | 1 | 4 | 5 |
| Crate Size | 7KB | 11KB | 64KB |
| Features | 0 | 16 | 0 |
| Yanked % | 100.0% | 3.1% | 0.0% |
| Edition | 2018 | 2021 | 2024 |
| MSRV | — | 1.71 | 1.88.0 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •lazy-regex leads with a health score of 71/100, but none of the options score above 80.
- •lazy-regex is depended on by 4.3K crates — strongest ecosystem trust.
- •⚠ informal has not been updated in over a year.
- •sscanf is pre-1.0 — API may change.