Include zero value before number

[Kal_Lam]

Have you gone through our previous post (it should help you solve your issue):

Incomplete data when registering number 0 'zero' at the beginning

Hi @datex, Have you had a look at the post discussed previously (it should solve your issue): Looking at your 8 digit integer requirement with a 0 at the beginning, maybe your constraint should be something like: (regex(., '^[00000001-99999999]{8}$') and (. >= 00000001)) For further understanding on regex, please feel free to have a look at our support article Restricting Text Responses With Regular Expressions. There you should see a lot of day to day useful regex codes that could make yo…