ExpressionScript sample surveys/79/en

From LimeSurvey Manual

  1. em_validation_q - this is an equation that determines whether the whole question is valid
  2. em_validation_q_tip - this is the message to show if the question fails em_validation_q criteria
  3. em_validation_sq - this is the equation that determines whether each subquestion (array cell) is valid
  4. em_validation_sq_tip - this is the message to show if any of the subquestions is invalid.