diff options
| -rw-r--r-- | youtube_dl/utils.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py index de5069c7b..86b757103 100644 --- a/youtube_dl/utils.py +++ b/youtube_dl/utils.py @@ -141,7 +141,7 @@ def write_json_file(obj, fn): if sys.version_info >= (2, 7): def find_xpath_attr(node, xpath, key, val=None): """ Find the xpath xpath[@key=val] """ - assert re.match(r'^[a-zA-Z-]+$', key) + assert re.match(r'^[a-zA-Z_-]+$', key) if val: assert re.match(r'^[a-zA-Z0-9@\s:._-]*$', val) expr = xpath + ('[@%s]' % key if val is None else "[@%s='%s']" % (key, val)) |