Fixed a few places that were building a regex from an identifier without escaping the identifier text.

<rdar://problem/26090553> 

llvm-svn: 272423

lldb/examples/python/symbolication.py

@@ -448,7 +448,7 @@ class Symbolicator:
             if image.identifier == identifier:
                 images.append(image)
         if len(images) == 0:
-            regex_text = '^.*\.%s$' % (identifier)
+            regex_text = '^.*\.%s$' % (re.escape(identifier))
             regex = re.compile(regex_text)
             for image in self.images:
                 if regex.match(image.identifier):