From 0ed18c8b8a23193d6d5989e3869abbf3cb699e6b Mon Sep 17 00:00:00 2001
From: Ben Jolitz <ben.jolitz@xad.com>
Date: Fri, 4 May 2018 16:33:43 -0700
Subject: [PATCH] remove extraneous backslash

---
 moto/sns/models.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/moto/sns/models.py b/moto/sns/models.py
index 6ee6c79e..65dcc6cf 100644
--- a/moto/sns/models.py
+++ b/moto/sns/models.py
@@ -240,7 +240,7 @@ class SNSBackend(BaseBackend):
         self.sms_attributes.update(attrs)
 
     def create_topic(self, name):
-        fails_constraints = not re.match(r'^[a-zA-Z0-9\_\-]{0,256}$', name)
+        fails_constraints = not re.match(r'^[a-zA-Z0-9_-]{0,256}$', name)
         if fails_constraints:
             raise InvalidParameterValue("Topic names must be made up of only uppercase and lowercase ASCII letters, numbers, underscores, and hyphens, and must be between 1 and 256 characters long.")
         candidate_topic = Topic(name, self)