diff --git a/crawler.py b/crawler.py
index b59cca4..b8ef260 100644
--- a/crawler.py
+++ b/crawler.py
@@ -34,7 +34,7 @@ def filteringcon(filters_regex_one):
     with open(filters_regex_one) as f:
          file = f.read().split('\n')
          for i in range(len(file)):
-             file[i] = re.sub(';.*', '', file[i])
+             file[i] = re.sub('\s\s+#.*', '', file[i])
              file[i] = re.sub(' CNAME .$', '', file[i])
              file[i] = re.sub(' CNAME . $', '', file[i])
     with open(filters_regex_one, 'w') as f1:
@@ -47,22 +47,26 @@ def filteringcon(filters_regex_one):
     with open(filters_regex_one, 'r') as f:
         for line in f:
             for word in a:
-                if word in line:
+                if word in line and not line.startswith('#') and line.startswith((tuple(a))):
                     line = line.replace(word,'')
+                else:
+                    line = line.replace(line, line)
             lst.append(line)
     f.close()
     with open(filters_regex_one, 'w') as f:
         for line in lst:
             f.write(line)
-    f.close()
+        f.close()
 
     remove_words = ['localhost','localhost.localdomain','local','broadcasthost','loopback','ip6-localnet','ip6-mcastprefix','ip6-allnodes','ip6-allrouters','ip6-allhosts','ip6-loopback']
+    
     with open(filters_regex_one, 'r') as f:
         lines = f.read().splitlines()
     with open(filters_regex_one, 'w') as f:
         for line in lines:
-            if not any(remove_word in line for remove_word in remove_words):
+            if not line.endswith((tuple(remove_words))):
                 f.write('\n'.join([line + '\n']))
+    
     with open(filters_regex_one) as f:
         file = f.read().split('\n')
         for i in range(len(file)):
@@ -78,7 +82,7 @@ def killingdup(duplicated_file):
     with open(duplicated_file, 'r') as f:
         lines = set(f.readlines())
     with open(duplicated_file, 'w') as f:
-          f.writelines(set(lines))
+        f.writelines(set(lines))
     print("++ successful!")
     f.close()
 
@@ -96,6 +100,14 @@ def excluded(excluded ,incoming):
             elif not line.strip():
                f.write('\n'.join([line + '\n']))
 
+def blankremover(incoming):
+    with open(incoming ,'r') as f:
+        lines = f.read().split()
+    with open(incoming ,'w') as f:
+        for line in lines:
+            if line.strip():
+                f.write('\n'.join([line + '\n']))
+
 def sort(incoming):
     with open(incoming, 'r') as f:
         lines = sorted(f.readlines())