--- a/yum/parser.py 2016-05-11 22:13:12.315196522 +0000 +++ b/yum/parser.py 2016-05-12 00:29:34.286932445 +0000 @@ -7,7 +7,7 @@ import Errors -_KEYCRE = re.compile(r"\$(\w+)") +_KEYCRE = re.compile(r"\$([a-zA-Z0-9]+)") def varReplace(raw, vars): '''Perform variable replacement