QS:Em validation carrée

Sub-question validation equation (em_validation_sq)

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Description

This is an equation that is used to validate each sub-question (text field) individually. Any text field that does not pass these validation conditions will have its background color turned pink (using the .em_sq_fn_validation CSS style) to highlight the error. Note that this is available in addition to the regular expression-based validation option.

Valeurs possibles

Any equation, using Expression Manager syntax, without surrounding curly braces.

Exemples

Say you have a multiple short text question and you want to collect email addresses. You could use the regular expression validator to make sure the email address has proper syntax.

As another example, say you only want to allow numbers that are a multiple of 3, the equation would be:

(this / 3) == floor(this/3)

The reserved variable this is automatically replaced by a reference to the active text entry cell.