Minimum of characters in a text box

It seems silly that it is so easy to define the maximum number of characters in a text box (IE. Properties > Options > characters limit of X) but that there is no easy equaivalent to the minimum number of characters? At least not in Acrobat 9 in any case, don't know versions ever!

Does anyone know if the minimum number of characters can be defined with Javascript?

That was a rhetorical question. So what you really want, it's if the field is not empty, it would take at least a minimum number of characters. What is the minimum number that you want to apply? You'd probably want to use a custom for this validation script, but what exactly do you want to happen if the user enters only three characters, but the minimum you want is four? Should be rejected three characters who were seized in total, or should focus just the back of the field value so that the user can enter, or something else?

Here's what might look like a script that rejects the input:

Script for custom text to validate field

(function () {}

There is nothing to

If (! event.value) return;

Sets the minimum number of characters

var min_chars = 4;

Denied entry and alert the user if less than the minimum

If (event.value.length< min_chars)="">

Event.RC = false;

App.Alert ("Please enter at" + min_chars + "in characters.\r\rYou" + event.value.length + "characters.", 1);

}

})();

Tags: Acrobat

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