I'm pretty sure this bug has been fixed in upcoming 5.12. Till then. 
/
    "
    (?:
        (?: [^"\\]++ | \\. ){0,32766}+
    ){0,32766}+
    "
/xs

[download]

Update: Simplified code.

In reply to Re: Complex regular subexpression recursion limit by ikegami
in thread Complex regular subexpression recursion limit by joerg.ludwig

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