Update utils.py

Need to add backslash to escape the '-' character in regular expression

1 files changed, 1 insertions, 1 deletions

diff --git a/rtslib/utils.py b/rtslib/utils.py
index 180056b..b2e74a8 100644
--- a/rtslib/utils.py
+++ b/rtslib/utils.py
@@ -128,7 +128,7 @@ def get_blockdev_size(path):
         return get_size("/sys/block/%s" % name)
     except IOError:
         # Maybe it's a partition?
-        m = re.search(r'^([a-z0-9_-!]+)(\d+)$', name)
+        m = re.search(r'^([a-z0-9_\-!]+)(\d+)$', name)
         if m:
             # If disk name ends with a digit, Linux sticks a 'p' between it and
             # the partition number in the blockdev name.