From dee0fe28807cd10447ddefaf959ab22ecf867458 Mon Sep 17 00:00:00 2001
From: luoliyan <joseph.lorimer13@gmail.com>
Date: Wed, 22 Feb 2017 18:24:03 +0930
Subject: [PATCH] Escape unsupported regex chars

---
 anki/tags.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/anki/tags.py b/anki/tags.py
index f494c5ba5..33cda6ef3 100644
--- a/anki/tags.py
+++ b/anki/tags.py
@@ -141,8 +141,8 @@ class TagManager:
     def remFromStr(self, deltags, tags):
         "Delete tags if they exist."
         def wildcard(pat, str):
-            return '*' in pat and re.search(
-                pat.replace('*', '.*'), str, re.IGNORECASE)
+            pat = re.escape(pat).replace('\\*', '.*')
+            return '*' in pat and re.search(pat, str, re.IGNORECASE)
         currentTags = self.split(tags)
         for tag in self.split(deltags):
             # find tags, ignoring case