Merge pull request #3 from garaemon/2020.12.06-allow-escaped-space-and-comma

Allow escaped comma and space

Author: garaemon

src/influxdb-cpp-rest/input_sanitizer.cpp

@@ -12,7 +12,7 @@
 
 namespace influxdb {
     namespace utility {
-        constexpr const char* regex = R"((^[a-zA-Z0-9_/\\.\-]+$|"(?:[^\\"]|\\.)+"))";
+        constexpr const char* regex = R"((^([a-zA-Z0-9_/\\.\-]|\\ |\\,)+$|"(?:[^\\"]|\\.)+"))";
 
         const std::regex check_identifier(regex);