I think this is a reasonable proposal and I find the argument convincing
that string.contains function appears in every other language and
third-party C++ string classes. I encourage you to submit this to LEWGI.

On Tue, May 28, 2019 at 4:31 AM Wim Leflere via Std-Proposals <
std-proposals_at_[hidden]> wrote:

> Hello,
>
> After seeing that 'starts_with' and 'ends_with' were added to std::string
> in C++20 (P0457), I was wondering why 'contains' was still missing as a
> std::string member function.
> So I wrote a proposal (starting from P0457) to add it.
>
> Please find the draft of the proposal here:
>
> https://github.com/WimLeflere/cpp-papers/blob/master/string_contains_function.md
>
> I am looking forward to your valuable comments.
>
> Thanks,
>
> Wim Leflere
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