A S <aishan0...@gmail.com> writes:
> On Thursday, 12 December 2019 02:28:09 UTC+8, Ben Bacarisse wrote:
>> A S <aishan0...@gmail.com> writes:
>>
>> > I would like to extract all words within specific keywords in a .txt
>> > file. For the keywords, there is a starting keyword of "PROC SQL;" (I
>> > need this to be case insensitive) and the ending keyword could be
>> > either "RUN;", "quit;" or "QUIT;". This is my sample .txt file.
>> >
>> > Thus far, this is my code:
>> >
>> > with open('lan sample text file1.txt') as file:
>> > text = file.read()
>> > regex = re.compile(r'(PROC SQL;|proc sql;(.*?)RUN;|quit;|QUIT;)')
>> > k = regex.findall(text)
>> > print(k)
>>
>> Try
>>
>> re.compile(r'(?si)(PROC SQL;.*(?:QUIT|RUN);)')
<cut>
>
> Hey Ben, this works for my sample .txt file! Thanks:) but it wont
> work, if I have other multiple text files to parse through that, are
> similar but have some variations, strangely enough.
No one can help without details. Maybe need the non-greedy .*? rather
than the .* I put in there. That was not a deliberate change.
--
Ben.
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