diff --git a/jedi/api/helpers.py b/jedi/api/helpers.py
index 58c7d2a2..7a7abfe1 100644
--- a/jedi/api/helpers.py
+++ b/jedi/api/helpers.py
@@ -22,7 +22,22 @@ def sorted_definitions(defs):
 
 def get_on_completion_name(module, position):
     leaf = module.get_leaf_for_position(position)
-    if leaf is None or leaf.type not in ('name', 'keyword'):
+    if leaf is None:
+        return ''
+    elif leaf.type == 'string':
+        # Completions inside strings are a bit special, we need to parse the
+        # string.
+        lines = leaf.value.splitlines()
+        start_pos = leaf.start_pos
+        difference = position[0] - start_pos[0]
+        if difference == 0:
+            indent = start_pos[1]
+        else:
+            indent = 0
+        line = lines[difference][:position[1] - indent]
+        # The first step of completions is to get the name
+        return re.search(r'(?!\d)\w+$|$', line).group(0)
+    elif leaf.type not in ('name', 'keyword'):
         return ''
 
     return leaf.value[:position[1] - leaf.start_pos[1]]
diff --git a/jedi/parser/fast.py b/jedi/parser/fast.py
index 520b9d81..5c244402 100644
--- a/jedi/parser/fast.py
+++ b/jedi/parser/fast.py
@@ -120,6 +120,10 @@ class ParserNode(object):
         self.source = source
         self.hash = hash(source)
         self.parser = parser
+        if source:
+            self._end_pos = parser.module.end_pos
+        else:
+            self._end_pos = 1, 0
 
         try:
             # With fast_parser we have either 1 subscope or only statements.
@@ -162,6 +166,10 @@ class ParserNode(object):
             # There's no module yet.
             return '<%s: empty>' % type(self).__name__
 
+    @property
+    def end_pos(self):
+        return self._end_pos[0] + self.parser.position_modifier.line, self._end_pos[1]
+
     def reset_node(self):
         """
         Removes changes that were applied in this class.
@@ -188,6 +196,10 @@ class ParserNode(object):
             # Need to insert the own node as well.
             dcts.insert(0, self._content_scope.names_dict)
             self._content_scope.names_dict = MergedNamesDict(dcts)
+            endmarker = self.parser.get_parsed_node().children[-1]
+            assert endmarker.type == 'endmarker'
+            last_parser = self._node_children[-1].parser
+            endmarker.start_pos = last_parser.get_parsed_node().end_pos
 
     @property
     def _indent(self):
@@ -414,7 +426,7 @@ class FastParser(use_metaclass(CachedFastParser)):
                     # called - just ignore it.
                     src = ''.join(self._lines[code_part_end_line - 1:])
                     self._parse_part(code_part, src, code_part_end_line, nodes)
-                    last_end_line = self.current_node.parser.module.end_pos[0]
+                    last_end_line = self.current_node.end_pos[0]
                 debug.dbg("While parsing %s, starting with line %s wasn't included in split.",
                           self.module_path, code_part_end_line)
                 #assert code_part_end_line > last_end_line
@@ -426,7 +438,7 @@ class FastParser(use_metaclass(CachedFastParser)):
             code_part_end_line = next_code_part_end_line
             start += len(code_part)
 
-            last_end_line = self.current_node.parser.module.end_pos[0]
+            last_end_line = self.current_node.end_pos[0]
 
         if added_newline:
             self.current_node.remove_last_newline()