diff --git a/markov/forms.py b/markov/forms.py
index c18935c..00a80e4 100644
--- a/markov/forms.py
+++ b/markov/forms.py
@@ -18,8 +18,10 @@ class LogUploadForm(Form):
 
     log_file = FileField(help_text="Weechat log format.")
     context = ModelChoiceField(queryset=MarkovContext.objects.all())
-    ignore = CharField(help_text="Comma-separated list of nicks to ignore.",
-                       required=False)
+    ignore_nicks = CharField(help_text="Comma-separated list of nicks to ignore.",
+                             required=False)
+    strip_prefixes = CharField(help_text="Space-separated list of line prefixes to strip.",
+                               required=False)
 
 
 class TeachLineForm(Form):
@@ -28,5 +30,7 @@ class TeachLineForm(Form):
 
     context = ModelChoiceField(queryset=MarkovContext.objects.all())
     line = CharField()
+    strip_prefixes = CharField(help_text="Space-separated list of line prefixes to strip.",
+                               required=False)
 
 # vi:tabstop=4:expandtab:autoindent
diff --git a/markov/views.py b/markov/views.py
index 09b4413..da83050 100644
--- a/markov/views.py
+++ b/markov/views.py
@@ -51,7 +51,8 @@ def import_file(request):
         if form.is_valid():
             log_file = request.FILES['log_file']
             context = form.cleaned_data['context']
-            ignores = form.cleaned_data['ignore'].split(',')
+            ignores = form.cleaned_data['ignore_nicks'].split(',')
+            strips = form.cleaned_data['strip_prefixes'].split(' ')
 
             whos = []
             for line in log_file:
@@ -66,7 +67,8 @@ def import_file(request):
                 whos.append(who)
 
                 # this is a line we probably care about now
-                _learn_line(what.rstrip(), context)
+                what = [x for x in what.rstrip().split(' ') if x not in strips]
+                _learn_line(' '.join(what), context)
 
             log.debug(set(whos))
     else:
@@ -84,7 +86,9 @@ def teach_line(request):
         if form.is_valid():
             line = form.cleaned_data['line']
             context = form.cleaned_data['context']
-            _learn_line(line.rstrip(), context)
+            strips = form.cleaned_data['strip_prefixes'].split(' ')
+            what = [x for x in line.rstrip().split(' ') if x not in strips]
+            _learn_line(' '.join(what), context)
     else:
         form = TeachLineForm()