On 7 April 2014 08:21, chris_g <[email protected]> wrote:
> How do I use IS_MATCH for field validation if the field only contains data?
>
> This works for me:
> IS_MATCH('^\d{10}', extract=True, error_message='Telephone number should
> have 10 digits.')
>
> so long as a 10 digit number is required.
>
> But what if I a want to make it acceptable to enter a 10 digit number or
> leave the field blank?
>
> Is there a way to make the IS_MATCH validator checked only if a non-empty
> string has been passed to the FORM for that field?
>
What about IS_EMPTY_OR(IS_MATCH('^\d{10}', extract=True,
error_message='Telephone number should have 10 digits.')) ?
Regards
Johann
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