>My problem is that I don't know, how did I spell it, e.g. it could be:
>Sitemstr
>SITEMSTR
>SiteMStr
>etc.
Does it matter?
Is this something like what you're talking about?

lcGarbageString=[hgjahgajhgTranMstrlkjalksdjlaskdjSiteMstrTranMstrlksjdlkajdlakjdlaksjdPropMstrlkjlkjlkjlkj]
lcCleanString=lcGarbageString
for c=1 to 3
lcCleanString=strtran(lcCleanString,substr("PropMstr  SiteMstr TranMstr",c*10-9,8),[REMOVED])
endfor
*lcCleanString=*hgjahgajhgTREMOVEDlkjalksdjlaskdjREMOVEDTREMOVEDlksjdlkajdlakjdlaksjdREMOVEDlkjlkjlkjlkj