This qr[(?<FQ>"|')[^\k<FQ>]+\k<FQ>] fails with Unrecognized escape \k in character class passed through in regex.

I can't use ("|')[^\1]+\1 because this regex will be embedded into bigger regexes that may have their own captures.

Workarounds?

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In reply to Named capture backreferences cannot be used in character classes? by BrowserUk

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