bitcoin cash transfer

I have been busy screening this forum for answers on how and where to buy large quantities of btc with cash for quite some time now, but frankly I am lost. Therefore, I'm looking for some competent advice on this matter. I know, "competent" is perhaps a bit too much asked for, so I settle for...

I was so stupid today that I send a bitcoin cash transfer to an address that was generated by my wallet, the problem is that is put the output like this: bitcoin cash: <bitcoin cash string> So I copy/pasted the entire line in the SEND address and hit ENTER. Is there anyway to get this...