diff --git a/src/utils/conversion_trigger.cpp b/src/utils/conversion_trigger.cpp
index bb0c3bc..d65eae9 100644
--- a/src/utils/conversion_trigger.cpp
+++ b/src/utils/conversion_trigger.cpp
@@ -140,4 +140,16 @@
                       labeledThresholdParams);
 }
 
+double stodStrict(const std::string& str)
+{
+    size_t pos = 0;
+    double result = std::stod(str, &pos);
+    if (pos < str.length())
+    {
+        throw std::invalid_argument(
+            "non-numeric characters at the end of string");
+    }
+    return result;
+}
+
 } // namespace utils
diff --git a/src/utils/conversion_trigger.hpp b/src/utils/conversion_trigger.hpp
index a749962..9d5d4a5 100644
--- a/src/utils/conversion_trigger.hpp
+++ b/src/utils/conversion_trigger.hpp
@@ -55,4 +55,6 @@
     return std::holds_alternative<AlternativeT>(*collection.begin());
 }
 
+double stodStrict(const std::string& str);
+
 } // namespace utils