//This example uses the TextCompareType enumeration.
var nCondition = new GC.Spread.Sheets.ConditionalFormatting.Condition(GC.Spread.Sheets.ConditionalFormatting.ConditionType.textCondition, {compareType: GC.Spread.Sheets.ConditionalFormatting.TextCompareType.contains, expected: "test"});
var validator = new GC.Spread.Sheets.DataValidation.DefaultDataValidator(nCondition);
validator.type(GC.Spread.Sheets.DataValidation.CriteriaType.custom);
activeSheet.getCell(0, 0, GC.Spread.Sheets.SheetArea.viewport).validator(validator);
spread.options.highlightInvalidData = true;
activeSheet.setValue(0, 0, "testing");
//Type text in 0,0 that does not contain "test" to see invalid symbol