@"^" +
            @"(\s*(?<" + attributeGroup + @">\S+)" +
            @"\s*" +
            @"(?<" + comparisonOperatorGroup + @">" + Regex.Escape("=") + "|" + Regex.Escape("!=") + "|" + Regex.Escape("<") + "|" + Regex.Escape(">") + "|" + Regex.Escape("<=") + "|"   + Regex.Escape(">=") + "|" + Regex.Escape("LIKE") + @")" +
            @"\s*" +
            @"(?<" + valueGroup + @">(" + Regex.Escape("'") + @".*" + Regex.Escape("'") + @"|\S+))" +
            @"(\s*(?<" + logicalOperatorGroup + @">" + Regex.Escape("&&") + "|" + Regex.Escape("||") + "))?" +
            @"\s*)+$";