[Issue 14765] [Reg2.068.0] Rangified functions no longer accept types that implicitly cast to string

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=14765

--- Comment #4 from Martin Nowak <code at dawg.eu> ---
There is a slight variation of this bug, where a former Char[] parameter was
replaced by Range and no longer accepts static arrays.

It has been fixed for indexOf, but we should check whether other functions are
affected too.
https://github.com/D-Programming-Language/phobos/pull/3191

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