Index: /FCKeditor/trunk/editor/_source/internals/fckregexlib.js
===================================================================
--- /FCKeditor/trunk/editor/_source/internals/fckregexlib.js	(revision 703)
+++ /FCKeditor/trunk/editor/_source/internals/fckregexlib.js	(revision 704)
@@ -50,5 +50,5 @@
 
 // Temporary classes (Tables without border, Anchors with content) used in IE
-FCK_Class		: /(\s*FCK__[A-Za-z]*\s*)/ ,
+FCK_Class		: /FCK__[^ ]*\s*/ ,
 
 // Validate element names (it must be in lowercase).