You can do <C-r>" to paste from the default register or <C-r>a to paste from register a.
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                https://superuser.com/questions/470727/how-to-paste-yanked-text-to-vim-command-line
  
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                https://superuser.com/questions/470727/how-to-paste-yanked-text-to-vim-command-linefork zerobin
via arnaudb
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                https://privatebin.net/
  
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                https://privatebin.net/