From bae87303569f6a0ef991bb3dbfb4871079b58f30 Mon Sep 17 00:00:00 2001
From: Rob Aitchison <raitch@sawed-off.com>
Date: Tue, 21 Aug 2018 16:47:04 -0400
Subject: [PATCH] regex filter

I just tested this so that I can allow dashes and underscores in filenames but disallow the others. Effectively an alphanumeric with the two character exceptions.
---
 core/templates.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/templates.yml b/core/templates.yml
index ac1eeba4d..034688da9 100644
--- a/core/templates.yml
+++ b/core/templates.yml
@@ -39,7 +39,7 @@ keys:
         type: str
     name:
         type: str
-        filter_by: alphanumeric
+        filter_by: '^[a-zA-Z0-9_-]+$'
     iteration:
         type: int
     version: