Don't replace string inside of `MatchData`.
Don't replace string inside of `MatchData`.

nandub/brew,vitorgalvao/brew,sjackman/homebrew,Homebrew/brew,MikeMcQuaid/brew,Homebrew/brew,JCount/brew,JCount/brew,claui/brew,vitorgalvao/brew,claui/brew,sjackman/homebrew,MikeMcQuaid/brew,nandub/brew,nandub/brew,JCount/brew,EricFromCanada/brew,EricFromCanada/brew,sjackman/homebrew,claui/brew,MikeMcQuaid/brew,Homebrew/brew,vitorgalvao/brew,Homebrew/brew,EricFromCanada/brew,vitorgalvao/brew,MikeMcQuaid/brew,EricFromCanada/brew,claui/brew,sjackman/homebrew,nandub/brew,JCount/brew