For almost every class of problem where this is a possible answer, it is the wrong answer. Zaxo's suggestion is the best so far. Perhaps if you were to describe your intent, we would be able to give you a better kind of solution.

(By wrong, I mean "fragile", "prone to unforseen flaws", and "swatting flies with a sledgehammer".)

In reply to Re: Interpolating $1 within a variable by chromatic
in thread Interpolating $1 within a variable by s0ttle

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