Input Mask for a specific pattern

[SBBmaster09]

I have a textfield that should limit its character. This field should ONLY accept numbers and the format is 123456[space]11101016913-1

 

[CJ_London]

see this link on how to create input masks

https://support.office.com/en-us/ar...4a47832de8da?ui=en-US&rs=en-US&ad=US&fromAR=1

 

[SBBmaster09]

I got same reference and I have tried it to use:
!999999" "99999999999\-9

but is it possible that if the first batch of numbers contains 5 digits instead of 6
it will display same format as to !99999" "99999999999\-9

 

[Minty]

If you put !900000" "99999999999\-9 where the 00000 is a mandatory number and the 9 is optional number. The link explains this in some detail.