fix ocr bug

src/WeChatOcrCpp/WeChatOcrResult.cpp

@@ -234,7 +234,7 @@ std::string OcrResult::ToJson(std::string& pth_img) const {
                 const auto& oneResult = singleResult.OneResult[i];
                 nlohmann::ordered_json jsonOneResult;
 
-                if (oneResult.OneStrUtf8.empty() || std::regex_match(oneResult.OneStrUtf8, std::regex("^[\\s\\p{C}]+$"))) {
+                if (oneResult.OneStrUtf8.empty()) {  // || std::regex_match(oneResult.OneStrUtf8, std::regex("^[\\s]+$")) 
                     continue;
                 }