title: Regular expression (regex) help: Need to delete everything on several lines after an IP address
body: <p>I have several lines that are</p>
  
  <p>192.168.86.3     0x1  0x2 3cbbaxrad  * br-lan
      192.168.86.213   0x1  0x2 3cccfargarad  * br-lan
      192.168.86.51    0x1  0x2 3cccfcvrad  * br-lan
      192.168.86.11    0x1  0x2 3cccfxxrad  * br-lan</p>
  
  <p>I need to extract only the ip addresses so it's
  192.168.86.3
  192.168.86.213
  192.168.86.51
  192.168.86.11</p>
  
  <p>Can anyone help? Thanks</p>