Require variables to be word characters

app/controllers/blazer/base_controller.rb

@@ -54,7 +54,7 @@ module Blazer
     def extract_vars(statement)
       # strip commented out lines
       # and regex {1} or {1,2}
-      statement.gsub(/\-\-.+/, "").gsub(/\/\*.+\*\//m, "").scan(/\{.*?\}/).map { |v| v[1...-1] }.reject { |v| /\A\d+(\,\d+)?\z/.match(v) }.uniq
+      statement.gsub(/\-\-.+/, "").gsub(/\/\*.+\*\//m, "").scan(/\{\w*?\}/i).map { |v| v[1...-1] }.reject { |v| /\A\d+(\,\d+)?\z/.match(v) }.uniq
     end
     helper_method :extract_vars