Function demonstrateUTF8

examples/text_processing.cpp:71–100

}

void demonstrateUTF8()
{
    std::cout << "\n=== UTF-8 Demo ===\n";

    std::string utf8Text = "Hello 世界! 🌍 Café naïve résumé";
    std::cout << "UTF-8 text: " << utf8Text << "\n";
    std::cout << "Byte length: " << utf8Text.length() << "\n";
    std::cout << "Character count: " << choc::text::UTF8Pointer (utf8Text.c_str()).length() << "\n";

    // Iterate through UTF-8 characters
    std::cout << "Characters:\n";
    auto utf8Ptr = choc::text::UTF8Pointer (utf8Text.c_str());
    int index = 0;
    while (! utf8Ptr.empty())
    {
        auto codepoint = *utf8Ptr;
        std::cout << "  " << index++ << ": U+" << std::hex << std::uppercase
                  << codepoint << std::dec << "\n";
        ++utf8Ptr;
    }

    // UTF-8 validation
    std::string validUTF8 = "Valid UTF-8: Hello";
    std::string invalidUTF8 = "Invalid UTF-8: \xFF\xFE";
    std::cout << "\nValidation:\n";
    std::cout << "'" << validUTF8 << "' is valid: "
              << (choc::text::findInvalidUTF8Data (validUTF8.data(), validUTF8.size()) == nullptr) << "\n";
    std::cout << "Invalid sequence is valid: "
              << (choc::text::findInvalidUTF8Data (invalidUTF8.data(), invalidUTF8.size()) == nullptr) << "\n";
}

void demonstrateWildcardMatching()
{