[DNM] Enable /.../ by default
#42250
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hamishknight
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Treat a prefix operator containing `/` the same as the unapplied infix operator case, where we tentatively lex. This means that we bail if there is no closing `/` or the starting character is invalid. This leaves binary operator containing `/` in expression position as the last place where we know that we definitely have a regex literal.
Previously we would only check for a starting character of `)` when performing a tentative lex of a regex literal. Expand this to cover the entire range of the regex literal, ensuring to take escapes and custom character classes into account.
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@swift-ci please test |
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@swift-ci please test source compatibility |
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@swift-ci please build toolchain |
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