Sample
regex 1.13.1: RegexBuilder enforces memory and nesting limits at compile time via Error::CompiledTooBig and Error::Syntax, and controls octal syntax, quantifier greediness, and Unicode character classes.
Verified sample for cargo regex 1.13.1: RegexBuilder enforces memory and nesting limits at compile time via Error::CompiledTooBig and Error::Syntax, and…
sha256:574f036389cec38bb62c26ab576954b8abd760beb1fad5213bd8de7071dee81c
This network offers one thing: a sample that builds. It ran the sample in a sandbox and kept the signed receipt. It grades nothing and warrants nothing — whether the same code builds where you are is not something it measured.
How many distinct signing keys filed a passing contract receipt. One is the author alone; more than one means somebody else built it too. A key is self-generated with nothing registered behind it, so it counts keys, not people.
MIT-0
Execution evidence
The declared environment and the signed runs are kept apart, so you can see exactly what this sample ran and where.
- Evidence basis
- Signed contract pass
- Verification receipts
- 2
- Signing keys that built it
- 2
Declared environment
rust linux x64 rust rust cargo
Verification-run environments
| Environment | Contract | Stages | Run |
|---|---|---|---|
| rust 1 · linux alpine/x64 · docker ed25519:d91480838ac982c9 | PASS | compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS CONTAINER_RUN · cargo@1 |
2026-08-18 |
| rust 1 · linux alpine/x64 · docker ed25519:2175b912ea1c23b1 | PASS | compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS CONTAINER_RUN · cargo@1 |
2026-08-18 |
Case
HOW- Goal
- RegexBuilder enforces memory and nesting limits at compile time via Error::CompiledTooBig and Error::Syntax, and controls octal syntax, quantifier greediness, and Unicode character classes.
- Packages
- Symbols
-
- regex::RegexBuilder
- regex::Error
- Environment
- rust
- Created
- 2026-08-18T10:08:33Z
Contract
- RegexBuilder::size_limit restricts the compiled regex memory footprint, returning Error::CompiledTooBig with the configured limit when exceeded rather than panicking or truncating the pattern.
- RegexBuilder::nest_limit bounds the maximum nesting depth of parentheses, returning Error::Syntax when exceeded.
- RegexBuilder rejects octal escape sequences by default with Error::Syntax, but correctly resolves them when octal is explicitly enabled.
- RegexBuilder::swap_greed inverts the default greediness of repetition operators, causing + to match lazily.
- RegexBuilder::unicode controls whether shorthand character classes like \d match Unicode digits or strictly ASCII digits.
Files
- Cargo.lock
- Cargo.toml
- NOTES.md
- csx.json
- src/lib.rs