replace string

  $phone={
    '100' => { 'pass'    => "123",
               'mac'     => "00:15:65:e0:68:47",
               'profile' => "YealinkT21PE2",
             },
    '101' => { 'pass'    => "123",
               'mac'     => "00:15:65:e0:68:47",
               'profile' => "YealinkT21PE2",
             },
    '102' => { 'pass'    => "123",
               'mac'     => "00:15:65:e0:68:47",
               'profile' => "YealinkT21PE2",
             },
  }

<% @users.each do |val| -%>
[<%= val[0] %>](phones)
username=<%= val[0] %>
secret=<%= val[1]["pass"] %>
callerid=<%= val[0] %> <<%= val[0] %>>
autoprov=yes
profile=<%= val[1]["profile"] %>
macaddress=<%= val[1]["mac"] %>

<% end -%>