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-rw-r--r--youtube_dl/utils.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py
index 9ab7288cc..6c00973bd 100644
--- a/youtube_dl/utils.py
+++ b/youtube_dl/utils.py
@@ -224,7 +224,7 @@ if sys.version_info >= (2,7):
def find_xpath_attr(node, xpath, key, val):
""" Find the xpath xpath[@key=val] """
assert re.match(r'^[a-zA-Z]+$', key)
- assert re.match(r'^[a-zA-Z0-9@\s:.]*$', val)
+ assert re.match(r'^[a-zA-Z0-9@\s:._]*$', val)
expr = xpath + u"[@%s='%s']" % (key, val)
return node.find(expr)
else: