update

src/util.jl

@@ -287,7 +287,11 @@ function textToDict(text::String, keywords::Vector{String};
   # use for loop and detect_keyword function to get the exact variation of each keyword in the text then push to kw list
   for keyword in keywords
     detected = detect_keyword(keyword, text)
-    push!(kw, detected)
+    if detected !== nothing
+      push!(kw, detected)
+    else
+      error("Keyword $keyword not found in text.")
+    end
   end
 
   od1, od2 =
@@ -793,7 +797,7 @@ Detects if a keyword exists in the text in different case variations (lowercase,
 """
 function detect_keyword(keyword::String, text::String)::Union{Nothing, String}
   # Define the keyword variations to search for
-  keyword_variations = [keyword, uppercasefirst(keyword), uppercase(keyword)]
+  keyword_variations = [keyword, uppercasefirst(keyword), uppercase(keyword), lowercase(keyword)]
   
   # Check if any of the keyword variations are in the text
   for variation in keyword_variations