grep awk text in variable positions text file

I have text files I need to extract website links from, but they are in variable positions.

These lines will all be in one text file, and I need to find and pull out only the links.

Examples:

I received the link and it is http://www.google.com/
Bob sent me the best website and I sent it to him:http://www.yahoo.com
Please update to http://www.dropbox.com and I'll get it back to you asap.

dos or linux or python suggestions?
fknAsked:
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käµfm³d 👽Connect With a Mentor Commented:
In Python:

import re

# file read code modified from http://stackoverflow.com/questions/8369219/how-do-i-read-a-text-file-into-a-string-variable-in-python#answer-8369272
with open('C:\input.txt', 'r') as inFile:
	text = "".join(line.rstrip() for line in inFile)

for match in re.findall('http://[^ ]+', text):
	print(match)

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fknAuthor Commented:
On the money.
0
 
TintinCommented:
Much easier to do

grep -Po "http://[\w-.]+" file

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