diff --git a/defaults.ini b/defaults.ini
index 7797f34..88c211e 100644
--- a/defaults.ini
+++ b/defaults.ini
@@ -161,8 +161,10 @@ extratags: FanFiction
 ## for regexp details.
 ## Make sure to keep at least one space at the start of each line and
 ## to escape % to %%, if used.
-## Two or three part lines.  Two part effect everything.
+## Two, three or five part lines.  Two part effect everything.
 ## Three part effect only those key(s) lists.
+## *Five* part lines.  Effect only when trailing conditional key=>regexp matches
+## metakey[,metakey]=>pattern=>replacement[&&metakey=>regexp]
 #replace_metadata:
 # genre,category=>Sci-Fi=>SF
 # Puella Magi Madoka Magica.* => Madoka
@@ -170,7 +172,9 @@ extratags: FanFiction
 # Crossover: (.*)=>\1
 # title=>(.*)Great(.*)=>\1Moderate\2
 # .*-Centered=>
-
+# characters=>Sam W\.=>Sam Witwicky&&category=>Transformers
+# characters=>Sam W\.=>Sam Winchester&&category=>Supernatural
+ 
 ## Some readers don't show horizontal rule (<hr />) tags correctly.
 ## This replaces them all with a centered '* * *'.  (Note centering
 ## doesn't work on some devices either.)
diff --git a/fanficdownloader/adapters/adapter_test1.py b/fanficdownloader/adapters/adapter_test1.py
index b0f7c47..3fdc0be 100644
--- a/fanficdownloader/adapters/adapter_test1.py
+++ b/fanficdownloader/adapters/adapter_test1.py
@@ -129,7 +129,7 @@ Some more longer description.  "I suck at summaries!"  "Better than it sounds!"
 
         self.story.addToList('genre','Fantasy')
         self.story.addToList('genre','Comedy')
-        self.story.addToList('genre','SF')
+        self.story.addToList('genre','Sci-Fi')
         self.story.addToList('genre','Noir')
         
         self.story.addToList('characters','Bob Smith')
diff --git a/fanficdownloader/story.py b/fanficdownloader/story.py
index ac630d8..f176d50 100644
--- a/fanficdownloader/story.py
+++ b/fanficdownloader/story.py
@@ -253,24 +253,35 @@ class Story(Configurable):
     ## Three part effect only those key(s) lists.
     ## pattern=>replacement
     ## metakey,metakey=>pattern=>replacement
+    ## *Five* part lines.  Effect only when trailing conditional key=>regexp matches
+    ## metakey[,metakey]=>pattern=>replacement[&&metakey=>regexp]
     def setReplace(self,replace):
         for line in replace.splitlines():
+            if "&&" in line:
+                (line,conditional) = map( lambda x: x.strip(), line.split("&&") )
+                condparts = map( lambda x: x.strip(), conditional.split("=>") )
+            else:
+                condparts=[None,None]
             if "=>" in line:
                 parts = map( lambda x: x.strip(), line.split("=>") )
                 if len(parts) > 2:
                     parts[0] = map( lambda x: x.strip(), parts[0].split(",") )
-                    self.replacements.append(parts)
+                    self.replacements.append(parts+condparts)
                 else:
-                    self.replacements.append([None]+parts)
+                    self.replacements.append([None]+parts+condparts)
     
     def doReplacments(self,value,key):
-        for (keys,p,v) in self.replacements:
+        for (keys,regexp,replacement,condkey,condregexp) in self.replacements:
             if (keys == None or key in keys) \
                     and isinstance(value,basestring) \
-                    and re.search(p,value):
-                #pv=value
-                value = re.sub(p,v,value)
-                #print("change:%s => %s === %s => %s "%(p,v,pv,value))
+                    and re.search(regexp,value):
+                doreplace=True
+                if condkey:
+                    condval = self.getMetadata(condkey)
+                    doreplace = condval != None and re.search(condregexp,condval)
+                    
+                if doreplace:
+                    value = re.sub(regexp,replacement,value)
         return value
         
     def getMetadataRaw(self,key):
diff --git a/plugin-defaults.ini b/plugin-defaults.ini
index 15a6ebe..c34bf8a 100644
--- a/plugin-defaults.ini
+++ b/plugin-defaults.ini
@@ -131,8 +131,10 @@ extratags: FanFiction
 ## for regexp details.
 ## Make sure to keep at least one space at the start of each line and
 ## to escape % to %%, if used.
-## Two or three part lines.  Two part effect everything.
+## Two, three or five part lines.  Two part effect everything.
 ## Three part effect only those key(s) lists.
+## *Five* part lines.  Effect only when trailing conditional key=>regexp matches
+## metakey[,metakey]=>pattern=>replacement[&&metakey=>regexp]
 #replace_metadata:
 # genre,category=>Sci-Fi=>SF
 # Puella Magi Madoka Magica.* => Madoka
@@ -140,7 +142,9 @@ extratags: FanFiction
 # Crossover: (.*)=>\1
 # title=>(.*)Great(.*)=>\1Moderate\2
 # .*-Centered=>
-
+# characters=>Sam W\.=>Sam Witwicky&&category=>Transformers
+# characters=>Sam W\.=>Sam Winchester&&category=>Supernatural
+ 
 ## Some readers don't show horizontal rule (<hr />) tags correctly.
 ## This replaces them all with a centered '* * *'.  (Note centering
 ## doesn't work on some devices either.)