cdnize-regexp.txt

Python 2.5.1 (r251:54863, Feb  6 2009, 19:02:12) 
[GCC 4.0.1 (Apple Inc. build 5465)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import re
>>> cdnize = re.compile(r'http://www.example.com/(images.*)')
>>> text = ("""<p><a href="http://www.example.com/images/full_size_image.jpg">"""
...         """<img src="http://www.example.com/images/assets_c/thumbnail.jpg">"""
...         """</a></p>""")
>>> print text
<p><a href="http://www.example.com/images/full_size_image.jpg"><img src="http://www.example.com/images/assets_c/thumbnail.jpg"></a></p>
>>> re.sub(cdnize, r'http://www-example-com.vimg.net/\1', text, count=10)
'<p><a href="http://www-example-com.vimg.net/images/full_size_image.jpg"><img src="http://www.example.com/images/assets_c/thumbnail.jpg"></a></p>'
>>> text = ("""<p><a href="http://www.example.com/images/full_size_image.jpg">\n"""
...         """<img src="http://www.example.com/images/assets_c/thumbnail.jpg">\n"""
...         """</a></p>""")
>>> print text
<p><a href="http://www.example.com/images/full_size_image.jpg">
<img src="http://www.example.com/images/assets_c/thumbnail.jpg">
</a></p>
>>> re.sub(cdnize, r'http://www-example-com.vimg.net/\1', text, count=10)
'<p><a href="http://www-example-com.vimg.net/images/full_size_image.jpg">\n<img src="http://www-example-com.vimg.net/images/assets_c/thumbnail.jpg">\n</a></p>'
>>> 
>>>