fix(regex): complete native quantifier and control boundaries - #1083
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Reject ungrouped redundant quantifiers with Perl diagnostics while retaining grouped repeat boundaries and extended-mode quantifier modifiers in the forked Joni lexer and AST. Generated with [Codex](https://openai.com/codex) Co-Authored-By: Codex <codex@openai.com>
Carry ACCEPT and explicit FAIL names through the forked Joni parser and bytecode matcher, then publish their Perl control state through REGMARK and REGERROR without conflating explicit FAIL with internal assertion failure. Generated with [Codex](https://openai.com/codex) Co-Authored-By: Codex <codex@openai.com>
Record the integrated native nested-quantifier and named control-verb state and make the next ordered gate describe only forward work. Generated with [Codex](https://openai.com/codex) Co-Authored-By: Codex <codex@openai.com>
Keep an earlier named cut-verb error authoritative when a path terminates with an unnamed FAIL, while retaining named and standalone FAIL publication. Generated with [Codex](https://openai.com/codex) Co-Authored-By: Codex <codex@openai.com>
Permit Perl capture groups in negative lookbehind and apply ACCEPT-aware width analysis to both lookbehind polarities so native variable-width execution keeps the correct assertion boundary. Generated with [Codex](https://openai.com/codex) Co-Authored-By: Codex <codex@openai.com>
Keep the Phase 36 execution position and immediate combined acceptance gate aligned with the integrated native lookbehind work. Generated with [Codex](https://openai.com/codex) Co-Authored-By: Codex <codex@openai.com>
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Summary
Validation
perl5_t/t/re/regexp.texact differential removes failures with zero introductionsmakeon exact head5ae62c501:/tmp/make-phase36-native-quant-control-lookbehind-5ae62c501.logDesign
See
dev/design/phase36-regex-parity.md.