From b19d6ab9c5e4b7a8289e057826b498dd93ea7e08 Mon Sep 17 00:00:00 2001
From: Glenn Johnson <glenn-johnson@uiowa.edu>
Date: Wed, 6 Apr 2016 19:08:01 -0500
Subject: Check for non-numeric bits in the stem.

---
 lib/spack/spack/url.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'lib')

diff --git a/lib/spack/spack/url.py b/lib/spack/spack/url.py
index b4fb70d6fb..ad51da9d47 100644
--- a/lib/spack/spack/url.py
+++ b/lib/spack/spack/url.py
@@ -207,7 +207,7 @@ def parse_version_offset(path):
         (r'-((\d)+-\d)', stem),
 
         # e.g. foobar_1.2-3
-        (r'_((\d+\.)+\d+(-\d+)?)', stem),
+        (r'_((\d+\.)+\d+(-\d+)?[a-z]?)', stem),
 
         # e.g. foobar-4.5.1
         (r'-((\d+\.)*\d+)$', stem),
-- 
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