Stripping scripts from HTML with regular expressions

Michel Bouwmans mfb.chikazuku at
Wed Apr 9 23:43:45 CEST 2008

Reedick, Andrew wrote:

>> -----Original Message-----
>> From: at [mailto:python-
>> at] On Behalf Of Michel Bouwmans
>> Sent: Wednesday, April 09, 2008 3:38 PM
>> To: python-list at
>> Subject: Stripping scripts from HTML with regular expressions
>> Hey everyone,
>> I'm trying to strip all script-blocks from a HTML-file using regex.
>> I tried the following in Python:
>> testfile = open('testfile')
>> testhtml =
>> regex = re.compile('<script\b[^>]*>(.*?)</script>', re.DOTALL)
> Aha! \b is being interpolated as a backspace character:
>   \b ASCII Backspace (BS)
> Always use a raw string with regexes:
> regex = re.compile(r'<script\b[^>]*>(.*?)</script>', re.DOTALL)
> Your regex should now work.
> *****
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Thanks! That did the trick. :) I was trying to use HTMLParser but that
choked on the script-blocks that didn't contain comment-indicators. Guess I
can now move on with this script, thank you.


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