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When I write ToString[a->b], regardless of whether the input uses the right-arrow symbol or - and > separately, it comes out as "a -> b" with - and >. If I just write "->" but with the right-arrow symbol, that's what I get in the output, so it's possible to get the arrow to show up in a string, but is there a good way to do this without having to break up the expression before using ToString?

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    $\begingroup$ does ToString[a -> b, StandardForm] give what you want? $\endgroup$
    – kglr
    Dec 14, 2020 at 0:30
  • $\begingroup$ @kglr Yes, thank you! $\endgroup$
    – H.v.M.
    Dec 14, 2020 at 0:34

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You can use StandardForm in the second argument of ToString:

ToString[a -> b, StandardForm]

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