add normalization

app.py

@@ -1,5 +1,6 @@
 import requests
 import streamlit as st
+import re  # For string normalization
 
 # Constants for citation information
 CITATION_BUTTON_LABEL = "📙 Citation"
@@ -38,7 +39,7 @@ class SearchApplication:
         st.write("#")
 
         self.show_search_results()
-        self.show_citation_panel()  # Add the citation panel here
+        self.show_citation_panel()
 
     def set_page_config(self):
         st.set_page_config(
@@ -47,6 +48,10 @@ class SearchApplication:
             layout="centered",
         )
 
+    def normalize_string(self, input_string):
+        """Normalize a string by removing spaces, converting to lowercase, and stripping special characters."""
+        return re.sub(r'\s+', '', input_string.lower())
+
     def show_search_results(self):
         if self.query:
             st.write("#")
@@ -56,8 +61,11 @@ class SearchApplication:
             if readme_content:
                 search_results = []
                 lines = readme_content.split("\n")
+                normalized_query = self.normalize_string(self.query)  # Normalize user query
+
                 for line in lines:
-                    if self.query.lower() in line.lower():
+                    normalized_line = self.normalize_string(line)  # Normalize each line
+                    if normalized_query in normalized_line:
                         search_results.append(line)
 
                 num_search_results = len(search_results)