Master Data Services Excel Add-in Query updater - This small tool allows you to Load, Edit, and save MDS queries with operators that are not available in current mds add-in http://legacy.averbouch.biz/master-data-services-excel-add-in-query-updater/
Load your already generated query
then choose a new Operator and edit the criteria
and then save the updated query
you can use all these operators: [Description(“”)] NotSpecified, [Description(“=”)] IsEqual, [Description(“<>”)] IsNotEqual, [Description(“LIKE”)] Like, [Description(“NOT LIKE”)] NotLike, [Description(“>”)] GreaterThan, [Description(“< “)] LessThan, [Description(“>=”)] GreaterThanOrEqual, [Description(“< =”)] LessThanOrEqual, [Description(“MATCH”)] Matches, [Description(“NOT MATCH”)] NotMatches, [Description(“REGEX”)] ContainsPattern, [Description(“NOT REGEX”)] NotContainsPattern, [Description(“IS NULL”)] IsNull, [Description(“IS NOT NULL”)] IsNotNull, [Description(“IN”)] In, [Description(“NOT IN”)] NotIn, [Description(“DIRECT DECENDANTS”)] DirectDecendants, [Description(“ALL DECENDANTS”)] AllDecendants,
More info on sql mds 2012 MSDN blog