regular expression, image, name, alt, title, preg_match_all

I'm trying to develop a regex for matching
with preg_match_all, I want to match such things
like image name, image alt text, image title in
construct like this:

....html...
<div class="class" style="style">
<img src="img=name" alt="alt" title="title" />
<span class="class" style="style">
text
</span>
</div>
....html...
The rexex as for now is:

define(
'REGEX_IMAGE_NAMES_AND_TITLES_AND_ALTS_FROM_CONTEN T',
'{
(?:<\s*img\s+src\s*=\s*(?:"|\')?\s*(?:img)?\s*=\s* ) # <img>
(?>\b\S+\b) # name
(?:title\s*=\s*(?:"|\')) # title
(?>\b\S*\b)
(?:"|\')*\s*
(?:alt\s*=\s*(?:"|\')) # alt
(?>\b\S*\b)
(?:"|\')*\s*
(?:\"|\'|>|/>|\s) # <img />
}Uix'
);

, but it does not match. How can I fix it?

--
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Adam i Agnieszka Gasiorowski FNORD wrote:

> I'm trying to develop a regex for matching
> with preg_match_all, I want to match such things
> like image name, image alt text, image title in
> construct like this:
>
> ....html...
> <div class="class" style="style">
> <img src="img=name" alt="alt" title="title" />
> <span class="class" style="style">
> text
> </span>
> </div>
> ....html...
> The rexex as for now is:
>
>define(
> 'REGEX_IMAGE_NAMES_AND_TITLES_AND_ALTS_FROM_CONTEN T',
> '{
> (?:<\s*img\s+src\s*=\s*(?:"|\')?\s*(?:img)?\s*=\s* ) # <img>
> (?>\b\S+\b) # name
> (?:title\s*=\s*(?:"|\')) # title
> (?>\b\S*\b)
> (?:"|\')*\s*
> (?:alt\s*=\s*(?:"|\')) # alt
> (?>\b\S*\b)
> (?:"|\')*\s*
> (?:\"|\'|>|/>|\s) # <img />
> }Uix'
> );
>
> , but it does not match. How can I fix it?
>
>

It's not so easy to match an entire IMG tag, because first of all the
attributes are not always in the same order. If I were you, this is what
I would do :
ereg("<img ([^>]+)>", $your_text, $img_array);
$i = 0;
foreach ($img_array as $img) {
while (ereg("^(.+)=\"(.+)\"", "", $img, $regs))
$images[$i][$regs[1]] = $regs[2];
$i++;
}

Hope this helps,

--
Cordialement,
---------------------------
Sophie Mattoug
Développement web dynamique
sophie@mattoug.net
---------------------------

Sophie Mattoug wrote:

> Adam i Agnieszka Gasiorowski FNORD wrote:
>
>> I'm trying to develop a regex for matching
>> with preg_match_all, I want to match such things
>> like image name, image alt text, image title in
>> construct like this:
>>
>> ....html...
>> <div class="class" style="style">
>> <img src="img=name" alt="alt" title="title" />
>> <span class="class" style="style">
>> text
>> </span>
>> </div>
>> ....html...
>> The rexex as for now is:
>>
>> define(
>> 'REGEX_IMAGE_NAMES_AND_TITLES_AND_ALTS_FROM_CONTEN T',
>> '{
>> (?:<\s*img\s+src\s*=\s*(?:"|\')?\s*(?:img)?\s*=\s* ) #
>> <img>
>> (?>\b\S+\b) # name
>> (?:title\s*=\s*(?:"|\')) #
>> title
>> (?>\b\S*\b)
>> (?:"|\')*\s*
>> (?:alt\s*=\s*(?:"|\')) # alt
>> (?>\b\S*\b)
>> (?:"|\')*\s*
>> (?:\"|\'|>|/>|\s) # <img />
>> }Uix'
>> );
>>
>> , but it does not match. How can I fix it?
>>
>>
>
> It's not so easy to match an entire IMG tag, because first of all the
> attributes are not always in the same order. If I were you, this is
> what I would do :
> ereg("<img ([^>]+)>", $your_text, $img_array);
> $i = 0;
> foreach ($img_array as $img) {
> while (ereg("^(.+)=\"(.+)\"", "", $img, $regs))
> $images[$i][$regs[1]] = $regs[2];
> $i++;
> }
>
> Hope this helps,


Sorry I made a mistake. Better do this:
ereg("<img ([^>]+)>", $your_text, $img_array);
$i = 0;
foreach ($img_array as $img) {
while (ereg("^(.+)=\"(.+)\"(.+)$", "", $img, $regs)) {
$images[$i][$regs[1]] = $regs[2];
$img = $regs[3];
}
$i++;
}

--
Cordialement,
---------------------------
Sophie Mattoug
Développement web dynamique
sophie@mattoug.net
---------------------------

Sophie Mattoug wrote:

> Adam i Agnieszka Gasiorowski FNORD wrote:
>
> > I'm trying to develop a regex for matching
> > with preg_match_all, I want to match such things
> > like image name, image alt text, image title in
> > construct like this:
> >
> > ....html...
> > <div class="class" style="style">
> > <img src="img=name" alt="alt" title="title" />
> > <span class="class" style="style">
> > text
> > </span>
> > </div>
> > ....html...
> > The rexex as for now is:
> >
> >define(
> > 'REGEX_IMAGE_NAMES_AND_TITLES_AND_ALTS_FROM_CONTEN T',
> > '{
> > (?:<\s*img\s+src\s*=\s*(?:"|\')?\s*(?:img)?\s*=\s* ) # <img>
> > (?>\b\S+\b) # name
> > (?:title\s*=\s*(?:"|\')) # title
> > (?>\b\S*\b)
> > (?:"|\')*\s*
> > (?:alt\s*=\s*(?:"|\')) # alt
> > (?>\b\S*\b)
> > (?:"|\')*\s*
> > (?:\"|\'|>|/>|\s) # <img />
> > }Uix'
> > );
> >
> > , but it does not match. How can I fix it?
> >
> >
>
> It's not so easy to match an entire IMG tag, because first of all the
> attributes are not always in the same order. If I were you, this is what
> I would do :
> ereg("<img ([^>]+)>", $your_text, $img_array);
> $i = 0;
> foreach ($img_array as $img) {
> while (ereg("^(.+)=\"(.+)\"", "", $img, $regs))
> $images[$i][$regs[1]] = $regs[2];
> $i++;
> }
>
> Hope this helps,

What I
really want to get out of this regex is
1) image name
2) image alt text
3) image title text
, so only those three parentheses are of capturing
kind and the rest is marked as non-capturing...
I wonder will this work (if I change this part):
(?:
(?:title\s*=\s*(?:"|\')) # title
(?>\b\S*\b)
(?:"|\')*\s*
|
(?:alt\s*=\s*(?:"|\')) # alt
(?>\b\S*\b)
(?:"|\')*\s*
)

, notice the "or" character. I guess it should
match, as the order is not important now...
I love monster regexes ;8].

--
Seks, seksiæ, seksolatki... news:pl.soc.seks.moderowana
http://hyperreal.info { iWanToDie } WiNoNa ) (
http://szatanowskie-ladacznice.0-700.pl foReVeR( * )
Poznaj jej zwiewne kszta³ty... http://www.opera.com 007

Sophie Mattoug wrote:

> Sophie Mattoug wrote:
>
> > Adam i Agnieszka Gasiorowski FNORD wrote:
> >
> >> I'm trying to develop a regex for matching
> >> with preg_match_all, I want to match such things
> >> like image name, image alt text, image title in
> >> construct like this:
> >>
> >> ....html...
> >> <div class="class" style="style">
> >> <img src="img=name" alt="alt" title="title" />
> >> <span class="class" style="style">
> >> text
> >> </span>
> >> </div>
> >> ....html...
> >> The rexex as for now is:
> >>
> >> define(
> >> 'REGEX_IMAGE_NAMES_AND_TITLES_AND_ALTS_FROM_CONTEN T',
> >> '{
> >> (?:<\s*img\s+src\s*=\s*(?:"|\')?\s*(?:img)?\s*=\s* ) #
> >> <img>
> >> (?>\b\S+\b) # name
> >> (?:title\s*=\s*(?:"|\')) #
> >> title
> >> (?>\b\S*\b)
> >> (?:"|\')*\s*
> >> (?:alt\s*=\s*(?:"|\')) # alt
> >> (?>\b\S*\b)
> >> (?:"|\')*\s*
> >> (?:\"|\'|>|/>|\s) # <img />
> >> }Uix'
> >> );
> >>
> >> , but it does not match. How can I fix it?
> >>
> >>
> >
> > It's not so easy to match an entire IMG tag, because first of all the
> > attributes are not always in the same order. If I were you, this is
> > what I would do :
> > ereg("<img ([^>]+)>", $your_text, $img_array);
> > $i = 0;
> > foreach ($img_array as $img) {
> > while (ereg("^(.+)=\"(.+)\"", "", $img, $regs))
> > $images[$i][$regs[1]] = $regs[2];
> > $i++;
> > }
> >
> > Hope this helps,
>
> Sorry I made a mistake. Better do this:
> ereg("<img ([^>]+)>", $your_text, $img_array);
> $i = 0;
> foreach ($img_array as $img) {
> while (ereg("^(.+)=\"(.+)\"(.+)$", "", $img, $regs)) {
> $images[$i][$regs[1]] = $regs[2];
> $img = $regs[3];
> }
> $i++;
> }

Ah, now I get it. I'll try it
(with preg-functions, as I prefer them).

So I'll get something like

$images = array(
[0] => array(
src => 'image1.jpg',
alt => '',
title => 'a cow'
),
[1] ...
)

...nice :8]. Thank you!

--
Seks, seksiæ, seksolatki... news:pl.soc.seks.moderowana
http://hyperreal.info { iWanToDie } WiNoNa ) (
http://szatanowskie-ladacznice.0-700.pl foReVeR( * )
Poznaj jej zwiewne kszta³ty... http://www.opera.com 007