From b13381281cead487cbdbfd6a69fb097ea5e456c3 Mon Sep 17 00:00:00 2001
From: "mengyuan.ymy" <mengyuan.ymy@alibaba-inc.com>
Date: Fri, 7 Apr 2017 10:32:55 +0800
Subject: [PATCH] fix bug in
 https://github.com/juliangruber/brace-expansion/issues/33

---
 index.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/index.js b/index.js
index 955f27c..0478be8 100644
--- a/index.js
+++ b/index.js
@@ -106,7 +106,7 @@ function expand(str, isTop) {
   var isNumericSequence = /^-?\d+\.\.-?\d+(?:\.\.-?\d+)?$/.test(m.body);
   var isAlphaSequence = /^[a-zA-Z]\.\.[a-zA-Z](?:\.\.-?\d+)?$/.test(m.body);
   var isSequence = isNumericSequence || isAlphaSequence;
-  var isOptions = /^(.*,)+(.+)?$/.test(m.body);
+  var isOptions = m.body.indexOf(',') >= 0;
   if (!isSequence && !isOptions) {
     // {a},b}
     if (m.post.match(/,.*\}/)) {