RFC: basic regex implementation

[Jonathan Wakely]

On 9 June 2010 21:10, Stephen M. Webb wrote:
> This is a first pass for a C++0x regex implementation.  Very basic
> functionality only (BREs only, no backrefs, no character classes), not
> production code yet, still not caught up to n3090.  Looking for feedback
> before I put more effort in.
>
> I have removed TR1 support:  what's there is there.

We can split tr1_impl/regex into tr1/regex and std/regex, but given
that tr1::regex doesn't work, I'm not sure it's worthwhile.

Thanks for doing this, I'm taking a look now.