Expression Manager sample surveys/79/en
From LimeSurvey Manual
- em_validation_q - this is an equation that determines whether the whole question is valid
- em_validation_q_tip - this is the message to show if the question fails em_validation_q criteria
- em_validation_sq - this is the equation that determines whether each subquestion (array cell) is valid
- em_validation_sq_tip - this is the message to show if any of the subquestions is invalid.