Regex not matching a comment

Question

I tried various regexes including the ones mentioned @ Python 3 regular expression to find multiline comment to match my input file given below,complete code is also below.Following is the regex am using currenlty to match the input file @http://pastie.org/5653293

pattern = re.compile(r'/\*.*?'+ needle + '.*?\*/', re.DOTALL)

can someone provide inputs on why the regex is not matching?

import os
import sys
import re
import fnmatch

def find_and_remove(haystack, needle):
    re.escape(needle)
    pattern = re.compile(r'/\*.*?'+ needle + '.*?\*/', re.DOTALL)
    return re.sub(pattern, "", haystack)

for path,dirs,files in os.walk(sys.argv[1]):
    for fname in files:
        for pat in ['*.cpp','*.c','*.h','*.txt']:
            if fnmatch.fnmatch(fname,pat):
                fullname = os.path.join(path,fname)
                # put all the text into f and read and replace...
                f = open(fullname).read()
                result = find_and_remove(f, r"Copyright (c) 2012, The Linux Foundation. All rights reserved")

INPUT:- http://pastie.org/5653293

You cannot parse programming languages with regexes. Consider something like bitbucket.org/eliben/pycparser — georg
– georg, Commented Jan 9, 2013 at 10:50
And I'm wondering what's the point of removing TLF's copyrights from sources? — georg
– georg, Commented Jan 9, 2013 at 10:52
@thg435 - may be it an overkill for this exercise unless you prove me wrong...I looked at the above doc..doesnt have good examples..have you used it before? — user1927396
– user1927396, Commented Jan 9, 2013 at 10:52
@thg435 - just removing the old 2012 comments...since its 2013 — user1927396
– user1927396, Commented Jan 9, 2013 at 10:53
No, I haven't used it before... I guess the api is similar to the python's ast module. You might want to ask the author for explanations and examples. — georg
– georg, Commented Jan 9, 2013 at 10:58

tohava · Accepted Answer · 2013-01-09 22:39:42Z

1

Search for more info on how to escape regexes.

answered Jan 9, 2013 at 22:39

tohava

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