Set a registry key based on logic from the computer name

I need to set a registry key value to be based upon the hostname of the Windows computer.

Our workstation names are generally as follows

AB983BVS01PC001
AB983BVS01PC002
AB983BVS01PC003
AB983BVS01PC004
AB983BVS02PC001
AB983BVS02PC002
AB983BVS02PC003
AB983BVS02PC004
etc.

I need to set a registry key value on each computer that is the first 12 Characters then adds 001 to it

e.g. on
AB983BVS02PC003 set the key to AB983BVS02PC001
AB983BVS55PC004 set the key to AB983BVS55PC001

The Registry key is

HKLM\Software\Application\
LeadComputer value AB983BVS02PC001

Can anyone suggest the best way to do this?

Thanks in advance!
LVL 2
aidebAsked:
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oBdAConnect With a Mentor Commented:
That's a one-liner in a batch script; you can roll that out as a startup (not logon!) script in a GPO applied to the machines in question:
reg add "HKLM\Software\Application" /v "LeadComputer" /t REG_SZ /d "%ComputerName:~0,12%001" /f

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Assign computer startup scripts
http://technet.microsoft.com/en-us/library/cc779329(v=ws.10).aspx
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aidebAuthor Commented:
Excellent! Works a treat...
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