Need to parse text from a field where the placement of the text may change.

I am trying to figure out a formula where I can pull out specific information from a text imported from Visual Studion 2005. Below is the information pulled from the database field and I need to pull out the "partNumber" and the "serialNumber".
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BeginGroup:database<?>currentFifos=0<?>maximumFifos=34369<?>maximumSpace=6291456<?>percentUsed=7<?>totalFixedSpace=123156<?>totalIndexSpace=77182<?>totalRowCount=2533<?>totalRowSpace=139024<?>totalTableSpace=339362<?>uncollectedFifos=0<?>usedSpace=478386<?>EndGroup:database<?>BeginGroup:network<?>DNS_ServerIP=None<?>DNS_DomainName=None<?>FTP_Enabled=false<?>EndGroup:network<?>BeginGroup:hardware<?>BeginGroup:biometrics<?>EndGroup:biometrics<?>BeginGroup:mSystem<?>format=7101<?>processorType=859<?>chipId=CF<?>EndGroup:mSystem<?>BeginGroup:barcodes<?>Barcode_attached=no<?>Symbologies=code3of9 i2of5 code128<?>Remote_Barcode_attached=no<?>EndGroup:barcodes<?>BeginGroup:board<?>revision=REV A<?>version=415<?>partNumber=98765431-123<?>serialNumber=CK123456<?>EndGroup:board<?>BeginGroup:magnetics<?>trackNum=no<?>EndGroup:magnetics<?>BeginGroup:memory<?>SDRAM=134217728<?>BeginGroup:flashDisks<?>flashDisk0=1018773504<?>flashDisk1=0<?>numOfFlashDisks=1<?>EndGroup:flashDisks<?>EndGroup:memory<?>BeginGroup:peripherals<?>modem=none<?>Wand_attached=no<?>EndGroup:peripherals<?>BeginGroup:keypad<?>Keypad_Type=Numeric<?>EndGroup:keypad<?>BeginGroup:proximityReaders<?>ProximityReader_attached=no<?>ProxReaderFormat1=Default 26 Bit Format<?>ProximityReader_NumRecords=2<?>RemoteProx_attached=no<?>RemoteProxFormat1=Default 26 Bit Format<?>RemoteProx_NumRecords=2<?>EndGroup:proximityReaders<?>EndGroup:hardware<?>BeginGroup:software<?>release=03.00.07.006 <?>HTMLClientVersion=5708<?>model=Kronos-4500<?>OSversion=5708<?>bootVersion=5708<?>appVersion=5708<?>dbSchema=5708<?>Font_Information=Default Latin fonts. <?>EndGroup:software<?>


Thank You!!

That is all in one cell?

Is each section (or at least the part number and serial number) followed by a < symbol?

Try
=MID(A1,1+SEARCH("partnumber",A1)+LEN("partnumber"),FIND("<",A1,SEARCH("partnumber",A1))-SEARCH("partnumber",A1)-LEN("partnumber")-1)

and change all the partnumber strings to serialnumber

Yes a <? at the end of the partNumber and a > just before the partNumber (same with the serialNumber).

Thanks