Necessary to detect the length of the text and script trigger if it is 16, 20 or 36 characters long

Hello

I am a newbie to Javascript and am scanning in two barcode at a time in a PDF form. I need to check that the digital code is either 16 characters (product code), 20 tanks (batch Code) or 36 characters (valid combination - treat).

I'm doing it through the action of keystroke Format, but a bad credit because the text field is not updated when I thought it would be. I'm open to any other method do it.

Any ideas?

Thank you

James

Use the validate. "event.value.length" returns the length of the

the text entered by the user.

Tags: Acrobat

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