Multiline preg_match
am 16.04.2008 23:04:14 von Paul Lautman
According to the manual, the default for preg_match is to treat the subject
string as consisting of a single "line" of characters (even if it actually
contains several newlines).
I want to match the "string" below to extract everyting from to
(not inclusive).
However my attempt at preg_match('/
RCR002
Any suggestions welcome.
Untitled Document
![]()
src="../../../images/stories/rhinestone_stock/crowns/RCR002. gif" width="200"
height="200" />
RCR002
2mm & 3mm
~5.25”W x 3.25”H
Re: Multiline preg_match
am 16.04.2008 23:39:00 von Mike Camden
On Apr 16, 2:04 pm, "Paul Lautman"
wrote:
> According to the manual, the default for preg_match is to treat the subject
> string as consisting of a single "line" of characters (even if it actually
> contains several newlines).
>
> I want to match the "string" below to extract everyting from to
> (not inclusive).
> However my attempt at preg_match('/
> RCR002
>
> Any suggestions welcome.
>
>
>
>
> Untitled Document
>
>
>
>
> src="../../../images/stories/rhinestone_stock/crowns/RCR002. gif" width="200"
> height="200" />
>
>
RCR002
> 2mm & 3mm
> ~5.25”W x 3.25”H
>
>
Try,
$arr = explode("\n", $string); // Where $string is your block of text
foreach($arr as $key => $value) {
preg_match('pattern', $value, $matches[$key]);
}
Re: Multiline preg_match
am 16.04.2008 23:55:07 von Paul Lautman
Mike Camden wrote:
> On Apr 16, 2:04 pm, "Paul Lautman"
> wrote:
>> According to the manual, the default for preg_match is to treat the
>> subject string as consisting of a single "line" of characters (even
>> if it actually contains several newlines).
>>
>> I want to match the "string" below to extract everyting from
>> to (not inclusive).
>> However my attempt at preg_match('/
>> only RCR002
>>
>> Any suggestions welcome.
>>
>>
>>
>> Untitled Document
>>
>>
>>
>>
>> src="../../../images/stories/rhinestone_stock/crowns/RCR002. gif"
>> width="200" height="200" />
>>
>>
RCR002
>> 2mm & 3mm
>> ~5.25”W x 3.25”H
>>
>>
>
> Try,
>
> $arr = explode("\n", $string); // Where $string is your block of text
> foreach($arr as $key => $value) {
> preg_match('pattern', $value, $matches[$key]);
> }
I have managed to do it using str_replace to change all the newlines to
spaces.
However I'd really like to understand why preg_match does not behave as the
manual suggests.
Re: Multiline preg_match
am 17.04.2008 03:03:31 von luiheidsgoeroe
On Wed, 16 Apr 2008 23:04:14 +0200, Paul Lautman =
wrote:
> According to the manual, the default for preg_match is to treat the =
> subject
> string as consisting of a single "line" of characters (even if it =
> actually
> contains several newlines).
>
> I want to match the "string" below to extract everyting from =
to
> (not inclusive).
> However my attempt at preg_match('/
nly
> RCR002
From the preg match portion of the manual:
http://nl2.php.net/manual/en/regexp.reference.php
. =3D match any character _except_newline_ (by default)
Solution:
http://nl2.php.net/manual/en/reference.pcre.pattern.modifier s.php
s (PCRE_DOTALL)
If this modifier is set, a dot metacharacter in the pattern
matches all characters, including newlines. Without it,
newlines are excluded.
In conclusion (giving you the bonus 'untill non-inclusive'):
preg_match('%)%s',$fc,$match);
Which leaves me to say that while I'm a fan of regexes, I've given up =
using them on HTML, because a parser does a far more reliable, clearer, =
=
and most important more robust job.
-- =
Rik Wasmus
Re: Multiline preg_match
am 17.04.2008 11:42:16 von Captain Paralytic
On 17 Apr, 02:03, "Rik Wasmus" wrote:
> On Wed, 16 Apr 2008 23:04:14 +0200, Paul Lautman
>
> wrote:
> > According to the manual, the default for preg_match is to treat the
> > subject
> > string as consisting of a single "line" of characters (even if it
> > actually
> > contains several newlines).
>
> > I want to match the "string" below to extract everyting from to
> > (not inclusive).
> > However my attempt at preg_match('/
> > RCR002
>
> From the preg match portion of the manual:http://nl2.php.net/manual/en/regexp.reference.php
> . = match any character _except_newline_ (by default)
>
> Solution:http://nl2.php.net/manual/en/reference.pcre.pattern .modifiers.php
> s (PCRE_DOTALL)
> If this modifier is set, a dot metacharacter in the pattern
> matches all characters, including newlines. Without it,
> newlines are excluded.
>
> In conclusion (giving you the bonus 'untill non-inclusive'):
> preg_match('%)%s',$fc,$match);
>
> Which leaves me to say that while I'm a fan of regexes, I've given up
> using them on HTML, because a parser does a far more reliable, clearer,
> and most important more robust job.
> --
> Rik Wasmus
Thanks Rik.
In this case I don't want to parse the HTML. I want to extract a
particular chunk from many files.
Re: Multiline preg_match
am 18.04.2008 10:03:41 von Alexey Kulentsov
Paul Lautman wrote:
>>> However my attempt at preg_match('/
>>> only RCR002
>>>
.....
>>> RCR002
>>> 2mm & 3mm
>>> ~5.25”W x 3.25”H
> I have managed to do it using str_replace to change all the newlines to
> spaces.
> However I'd really like to understand why preg_match does not behave as the
> manual suggests.
Please read manual about 's' modifier:
http://www.php.net/manual/en/reference.pcre.pattern.modifier s.php
Try '/]*>(.*)/s' to extract this part
Re: Multiline preg_match
am 18.04.2008 14:19:08 von Captain Paralytic
On 18 Apr, 08:03, Alexey Kulentsov wrote:
> Paul Lautman wrote:
> >>> However my attempt at preg_match('/
> >>> only RCR002
>
> ....
> >>> RCR002
> >>> 2mm & 3mm
> >>> ~5.25”W x 3.25”H
> > I have managed to do it using str_replace to change all the newlines to
> > spaces.
> > However I'd really like to understand why preg_match does not behave as the
> > manual suggests.
>
> Please read manual about 's' modifier:http://www.php.net/manual/en/reference.pcre.pattern .modifiers.php
>
> Try '/]*>(.*)/s' to extract this part
Thanks, Rik pointed out that one. It was the paragraph right below the
one that I read which suggested the opposite!