The usual
diff --git a/Lib/dos-8x3/posixpat.py b/Lib/dos-8x3/posixpat.py
index 965184b..9960801 100755
--- a/Lib/dos-8x3/posixpat.py
+++ b/Lib/dos-8x3/posixpat.py
@@ -266,15 +266,15 @@
if '$' not in path:
return path
if not _varprog:
- import regex
- _varprog = regex.compile('$\([a-zA-Z0-9_]+\|{[^}]*}\)')
+ import re
+ _varprog = re.compile(r'\$(\w+|\{[^}]*\})')
i = 0
while 1:
- i = _varprog.search(path, i)
- if i < 0:
+ m = _varprog.search(path, i)
+ if not m:
break
- name = _varprog.group(1)
- j = i + len(_varprog.group(0))
+ i, j = m.span(0)
+ name = m.group(1)
if name[:1] == '{' and name[-1:] == '}':
name = name[1:-1]
if os.environ.has_key(name):