Perhaps if you’d also show how it’s anticipated to be used.

And if it’s dependent on std::regex, I suspect a lot of complaints about
the performance of std::regex will come up.

On Thu, Feb 20, 2025 at 5:48 AM Phil Bouchard via Std-Proposals <
std-proposals_at_[hidden]> wrote:

> Greetings,
>
> Seems to me regex over istreams would be quite useful. Here's an
> inefficient implementation:
>
>
> inline std::istream& operator >> (std::istream& in, std::string & v)
> {
> static const std::regex string_regex(R"(^\"(.*?)\"$)");
>
> std::smatch match;
>
> std::string x;
>
> for (x += in.get(); in; x += in.get())
> if (std::regex_match(x, match, string_regex))
> {
> v = match[1].str();
>
> return in;
> }
>
> throw std::invalid_argument("Parse error.");
> }
>
> Is there any interests in such implementation?
>
>
> Regards,
>
>
> --
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