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-rw-r--r--actionpack/lib/action_dispatch/middleware/request_id.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/actionpack/lib/action_dispatch/middleware/request_id.rb b/actionpack/lib/action_dispatch/middleware/request_id.rb
index d7bb9c58df..bee446c8a5 100644
--- a/actionpack/lib/action_dispatch/middleware/request_id.rb
+++ b/actionpack/lib/action_dispatch/middleware/request_id.rb
@@ -28,7 +28,7 @@ module ActionDispatch
private
def external_request_id(env)
if request_id = env["HTTP_X_REQUEST_ID"].presence
- request_id.gsub(/[^\w\d\-]/, "").first(255)
+ request_id.gsub(/[^\w\-]/, "").first(255)
end
end