vbb code? like php but diff

if i want to make a new vb code how would i go about making it soo that say if you enter a word then 5 spaces after when posting it keeps those 5 spaces? i know php does it but it makes that box around it and stuff.... any help?

[Kars10]

You can make custom vB-Codes based on html easy in your Admin CP.
Just go to Custom vBCodes -> Add

[DelFDgfd_gT]

but how would i make like liek code soo if you put 5 spaces it wont change it automaticly to 1

[Mutt]

this is 5 spaces

PHP Code:

      

so make a vbcode that inserts that