Steve Nelson wrote:
> Incidentally continuing my reading of the HOWTO I have sat and puzzled
> for about 30 mins on the difference the MULTILINE flag makes. I can't
> quite see the difference. I *think* it is as follows:
>
> Under normal circumstances, ^ matches the start of a line, only. On a
>
On 7/14/06, Kent Johnson <[EMAIL PROTECTED]> wrote:
> But for this particular application you might as well use
> line.startswith('b') instead of a regex.
Ah yes, that makes sense.
Incidentally continuing my reading of the HOWTO I have sat and puzzled
for about 30 mins on the difference the MULT
Steve Nelson wrote:
> On 7/14/06, John Fouhy <[EMAIL PROTECTED]> wrote:
>
>
> m = re.match(...)
> dir(m)
>
>> It will tell you what attributes the match object has.
>>
>
> Useful - thank you.
>
> I am now confuse on this:
>
> I have a file full of lines beginning with
> I have a file full of lines beginning with the letter "b". I want a
> RE that will return the whole line if it begins with b.
>
> I find if I do eg:
>
>
m = re.search("^b", "b spam spam spam")
m.group()
> 'b'
>
> How do I get it to return the whole line if it begins w
On 7/14/06, John Fouhy <[EMAIL PROTECTED]> wrote:
> >>> m = re.match(...)
> >>> dir(m)
>
> It will tell you what attributes the match object has.
Useful - thank you.
I am now confuse on this:
I have a file full of lines beginning with the letter "b". I want a
RE that will return the whole line
On 14/07/06, Steve Nelson <[EMAIL PROTECTED]> wrote:
> How does one query a match object in this way? I am learning by
> fiddling interactively.
If you're fiddling interactively, try the dir() command --
ie:
>>> m = re.match(...)
>>> dir(m)
It will tell you what attributes the match object has
Steve Nelson wrote:
> On 7/14/06, John Fouhy <[EMAIL PROTECTED]> wrote:
>
>
>> It doesn't have to match the _whole_ string.
>>
>
> Ah right - yes, so it doesn't say that it has to end with a b - as per
> your comment about ending with $.
>
The matched portion must end with b, but it does
On 7/14/06, John Fouhy <[EMAIL PROTECTED]> wrote:
> It doesn't have to match the _whole_ string.
Ah right - yes, so it doesn't say that it has to end with a b - as per
your comment about ending with $.
> If you look at the match object returned, you should se that the match
> starts at position
On 14/07/06, Steve Nelson <[EMAIL PROTECTED]> wrote:
> What I don't understand is how in the end the RE *does* actually match
> - which may indicate a serious misunderstanding on my part.
>
> >>> re.match("a[bcd]*b", "abcbd")
> <_sre.SRE_Match object at 0x186b7b10>
>
> I don't see how abcbd matches
Hello,
I am reading the "Regular Expression HOWTO" at
http://www.amk.ca/python/howto/regex/
I am at the bit where "greediness" is discussed with respect to
metacharacters enabling repetition of sections of a RE. I understand
the concept.
The author gives a step by step example of how the matchi
10 matches
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