lib/formulae/compile/formula_builder.rb in rubyfromexcel-0.0.18 vs lib/formulae/compile/formula_builder.rb in rubyfromexcel-0.0.19

@@ -1,7 +1,7 @@
 module TerminalNode
   def to_method_name
-    self.gsub(/([a-z])([A-Z])/,'\1_\2').downcase.gsub(/[^a-z0-9_]/,'_')
+    self.gsub(/([a-z])([A-Z])/,'\1_\2').downcase.gsub(/[^\p{word}]/,'_')
   end  
 end
 
 module RubyFromExcel
   class ExcelFunctionNotImplementedError < Exception
\ No newline at end of file