looping wrote:
> On Oct 25, 8:49 am, Marc 'BlackJack' Rintsch <[EMAIL PROTECTED]> wrote:
>>
>> needle = re.compile(r'create\s+or\s+replace\s+package(\s+body)?\s+',
>> re.IGNORECASE)
>
> What I want here is a RE that return ONLY the line without the "body"
> keyword.
> Your RE return both.
> I know I could use it but I want to learn how to search something that
> is NOT in the string using RE.
You want a "negative lookahead assertion" then:
>>> import re
>>> s = """Isaac Newton
... Isaac Asimov
... Isaac Singer
... """
>>> re.compile("Isaac (?!Asimov).*").findall(s)
['Isaac Newton', 'Isaac Singer']
Peter
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