From af1c2d1f5692f925a6dfd51cf2cb7d25a1ece0f6 Mon Sep 17 00:00:00 2001
From: Randy Morgan <digital.ipseity@gmail.com>
Date: Sat, 17 Aug 2013 14:44:43 +0900
Subject: Extracted control char sanitization to module level and applied to
 shared strings table output.

---
 lib/axlsx.rb | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'lib/axlsx.rb')

diff --git a/lib/axlsx.rb b/lib/axlsx.rb
index 8cecf47a..ffebc7ac 100644
--- a/lib/axlsx.rb
+++ b/lib/axlsx.rb
@@ -127,6 +127,14 @@ module Axlsx
     s.gsub(/_(.)/){ $1.upcase }
   end
 
+    # returns the provided string with all invalid control charaters
+    # removed.
+    # @param [String] str The sting to process
+    # @return [String]
+    def self.sanitize(str)
+      str.gsub(CONTROL_CHAR_REGEX, '')
+    end
+
 
   # Instructs the serializer to not try to escape cell value input. 
   # This will give you a huge speed bonus, but if you content has <, > or other xml character data
-- 
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