bool

       MongoDB, Inc

       2009-present, MongoDB, Inc.

1.30.4                                            Jun 08, 2025                             BSON_UTF8_VALIDATE(3)

       Validates  that the content within utf8 is valid UTF-8 (by the RFC 3629 standard). If allow_null is true,
       then embedded NULL bytes are allowed (\0).

       • utf8: A string to verify.

       • utf8_len: The length of utf8 in bytes.

       • allow_null: A bool indicating that embedded \0 bytes are allowed.

       true if utf8 contains valid UTF-8.

          bool
          bson_utf8_validate (const char *utf8, size_t utf8_len, bool allow_null);