On Windows, we need file matching to be case-insensitive.

1 files changed, 1 insertions, 6 deletions

diff --git a/coverage/misc.py b/coverage/misc.py
index 48727478..6962ae32 100644
--- a/coverage/misc.py
+++ b/coverage/misc.py
@@ -86,12 +86,7 @@ def bool_or_none(b):
 
 def join_regex(regexes):
     """Combine a list of regexes into one that matches any of them."""
-    if len(regexes) > 1:
-        return "|".join("(?:%s)" % r for r in regexes)
-    elif regexes:
-        return regexes[0]
-    else:
-        return ""
+    return "|".join("(?:%s)" % r for r in regexes)
 
 
 def file_be_gone(path):