From 563fd2cda12dded76a9885b64b4437f4ce3f6b5a Mon Sep 17 00:00:00 2001
From: Saul Johnson <saul.a.johnson@gmail.com>
Date: Tue, 22 Aug 2017 19:04:12 +0100
Subject: [PATCH] Permit periods in SMILES structures

---
 src/coffee/main.coffee | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/coffee/main.coffee b/src/coffee/main.coffee
index 989d138..4e2acbb 100644
--- a/src/coffee/main.coffee
+++ b/src/coffee/main.coffee
@@ -115,7 +115,7 @@ $(document).ready ->
   # @param [function] fail    the failure callback
   #
   checkSmiles = (smiles, success, fail) ->
-    regex = /^([^J][a-z0-9@+\-\[\]\(\)\\\/%=#$]{0,})$/ig
+    regex = /^([^J][a-z0-9@+\.\-\[\]\(\)\\\/%=#$]{0,})$/ig
     if regex.test smiles then success() else fail()
 
   # Checks if a string is a valid hex color.