regexp — validation proof

Go’s own regexp test suite, converted to C# by go2cs, built against the converted standard library, run under the Go-semantics test host, and compared verdict for verdict against a clean go test -json baseline of the same sources. This page is generated by the converter from that comparison — it is the evidence behind the regexp row in Validated Test Packages.

Validated 2026-08-04 · converter f6e9c0cf0

45 matched · 0 disclosed — Go 1.23.1, windows/amd64, converted package src/core/regexp.

Verdicts

Test go test go2cs
TestBadCompile pass pass
TestCompileOnePass pass pass
TestCopyMatch pass pass
TestDeepEqual pass pass
TestFind pass pass
TestFindAll pass pass
TestFindAllIndex pass pass
TestFindAllString pass pass
TestFindAllStringIndex pass pass
TestFindAllStringSubmatch pass pass
TestFindAllStringSubmatchIndex pass pass
TestFindAllSubmatch pass pass
TestFindAllSubmatchIndex pass pass
TestFindIndex pass pass
TestFindReaderIndex pass pass
TestFindReaderSubmatchIndex pass pass
TestFindString pass pass
TestFindStringIndex pass pass
TestFindStringSubmatch pass pass
TestFindStringSubmatchIndex pass pass
TestFindSubmatch pass pass
TestFindSubmatchIndex pass pass
TestFowler pass pass
TestGoodCompile pass pass
TestLiteralPrefix pass pass
TestLongest pass pass
TestMatch pass pass
TestMatchFunction pass pass
TestMergeRuneSet pass pass
TestMinInputLen pass pass
TestOnePassCutoff pass pass
TestParseAndCompile pass pass
TestProgramTooLongForBacktrack pass pass
TestQuoteMeta pass pass
TestRE2Exhaustive pass pass
TestRE2Search pass pass
TestReplaceAll pass pass
TestReplaceAllFunc pass pass
TestReplaceAllLiteral pass pass
TestRunOnePass pass pass
TestSplit pass pass
TestSubexp pass pass
TestSwitchBacktrack pass pass
TestUnmarshalText pass pass
TestUnmarshalText/invalid_pattern pass pass

Excluded declarations

Declarations filtered from both sides of the comparison, and therefore not claimed above: Benchmark, Fuzz and Example declarations the converted host does not execute, plus any test requiring a capability the managed runtime does not provide — a testing member the host has not implemented, or a platform behavior it provably cannot reproduce. Each is named with the capability it needs.