utf 8 - How to initialize a const char* and/or const std::string in C++ with a sequence of UTF-8 character? -

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how initialize const char* and/or const std::string in c++ sequence of utf-8 characters?

i'm using regular expression api accepts utf8 string const char*. initialization code should platform independent.

this should work compiler:

const char* twochars = "\xe6\x97\xa5\xd1\x88";

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