how to make couple words of the same line sentence to new line

[Teamelite Teamelite]

Hi

I have a question, i have many lines like below, how to make http to be in new line

myshareddrive http://xx.xx.xx
mysharedrive2 http://xx.xx.xx

[Ekopalypse]

@Teamelite-Teamelite

find: .(?=http://)
replace: \r\n
mark regular expression

If you want to know more about regular expression search see here.

[Olivier Thomas]

or
find: http:
replace: \n$0