Em validation q/fr: Difference between revisions
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The main difference between this feature and the Sub-question validation equations (em_validation_sq option) is that for this feature, if the question (or question parts) fail validation, then an error message could be shown. For the sub-question validation, each text entry cell (e.g. in array, but also applies to single entry question types) will be styled so that the background color is pink. | The main difference between this feature and the Sub-question validation equations (em_validation_sq option) is that for this feature, if the question (or question parts) fail validation, then an error message could be shown. For the sub-question validation, each text entry cell (e.g. in array, but also applies to single entry question types) will be styled so that the background color is pink. | ||
''' | '''Valeurs possibles''' | ||
*Any equation, using [[Expression Manager|Expression Manager]] syntax, without surrounding curly braces. | *Any equation, using [[Expression Manager|Expression Manager]] syntax, without surrounding curly braces. |
Revision as of 18:47, 26 September 2014
Whole question validation equation (em_validation_q)
Description
This is an equation that is used to validate the entire question (e.g all of its parts collectively for a multi-answer question). If the question fails the validation criteria, then then em_validation_q_tip message has the CSS style .error set to it. This tip uses the .em_q_fn_validation CSS style, which is hidden by default within template.css.
The main difference between this feature and the Sub-question validation equations (em_validation_sq option) is that for this feature, if the question (or question parts) fail validation, then an error message could be shown. For the sub-question validation, each text entry cell (e.g. in array, but also applies to single entry question types) will be styled so that the background color is pink.
Valeurs possibles
- Any equation, using Expression Manager syntax, without surrounding curly braces.
Example
- You want to collect demographic information from users via a multiple short text question, and you want to validate that the user has entered a reasonable email and phone number.
This example shows how the question looks with invalid answers:
And here is what it looks like with one invalid answer:
Here is how you edit a question to enter that information:
And here is part of the Show Logic File output that lets you validate the accuracy of your expression and ensure there are no syntax errors:
As you can see, the validation equation tests that both the email and phone are either empty or match a regular expression filter.
The validation tip only shows the warning message if the phone or email appears invalid.