How do I create a validation where I need to enter a study ID that has letters and numbers | XM Community
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I need to create a validation that's 12 charters (letters and numbers). Can someone provide the right regex strip to provide into the custom validation box? Thank you
Hello @salmeida ,



Use this regex code: `^(?=.*[A-Za-z])(?=.*\\d)[A-Za-z\\d]{12}$`



The above will force respondent to enter 12 charters (letters and numbers)
Hi, thanks for you help but when I preview the survey it still doesn't work
> @salmeida said:

> Hi, thanks for you help but when I preview the survey it still doesn't work

>



I hope you are using match regex option in custom validation
Yes I am

!
Never mind it worked!! Thanks so much for your help!!!

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