Hello!

Here's a regex that I got off the web that I am trying to modify for my needs, I suck at regex so desperately need some .

Basically, am trying to get a remote webpage and get the value between the <title> tags, note that it should get the values regardless if <title> is upper or lower case (case insensitive)

<?php
$data = file_get_contents("http://www.youtube.com/watch?v=oQ2dKXGAjNg");
preg_match('/#<title>([^<]*)</title>#/iU',$data,$match);
$title=$match[1];
echo $title;
?>

This is the error that i am getting when running the above:

Warning: preg_match() [function.preg-match]: Unknown modifier 't' in C:\wamp\www\ezee\tests\get
_remote_title.php on line 3

TIA,
Ryan




------
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- Creativity is great, but plagiarism is faster!
- Smile, everyone loves a moron. :-)

> -----Original Message-----
> From: Ryan S [mailto:genphp@yahoo.com]
> Sent: Monday, October 13, 2008 11:33 AM
> To: php php
> Subject: [php] Little regex please...
>
> Hello!
>
> Here's a regex that I got off the web that I am trying to modify for
my
> needs, I suck at regex so desperately need some .
>
> Basically, am trying to get a remote webpage and get the value between
> the <title> tags, note that it should get the values regardless if
> <title> is upper or lower case (case insensitive)
>
> <?php
> $data =
> file_get_contents("http://www.youtube.com/watch?v=oQ2dKXGAjNg");
> preg_match('/#<title>([^<]*)</title>#/iU',$data,$match);
> $title=$match[1];
> echo $title;
> ?>
>
> This is the error that i am getting when running the above:
>
> Warning: preg_match() [function.preg-match]: Unknown modifier 't' in
> C:\wamp\www\ezee\tests\get
> _remote_title.php on line 3

Ryan,

I don't believe you need both the / and the # for delimiters in your
RegEx. Try using just # (since / is actually going to be in the text
you're searching for) like this:

<?php
$data =
file_get_contents("http://www.youtube.com/watch?v=oQ2dKXGAjNg");
preg_match('#<title>([^<]*)</title>#iU', $data, $match);
$title = $match[1];
echo $title;
?>

HTH,


Todd Boyd
Web Programmer

On Mon, Oct 13, 2008 at 12:52 PM, Boyd, Todd M. <tmboyd1@ccis.edu> wrote:
>> -----Original Message-----
>> From: Ryan S [mailto:genphp@yahoo.com]
>> Sent: Monday, October 13, 2008 11:33 AM
>> To: php php
>> Subject: [php] Little regex please...
>>
>> Hello!
>>
>> Here's a regex that I got off the web that I am trying to modify for
> my
>> needs, I suck at regex so desperately need some .
>>
>> Basically, am trying to get a remote webpage and get the value between
>> the <title> tags, note that it should get the values regardless if
>> <title> is upper or lower case (case insensitive)
>>
>> <?php
>> $data =
>> file_get_contents("http://www.youtube.com/watch?v=oQ2dKXGAjNg");
>> preg_match('/#<title>([^<]*)</title>#/iU',$data,$match);
>> $title=$match[1];
>> echo $title;
>> ?>
>>
>> This is the error that i am getting when running the above:
>>
>> Warning: preg_match() [function.preg-match]: Unknown modifier 't' in
>> C:\wamp\www\ezee\tests\get
>> _remote_title.php on line 3
>
> Ryan,
>
> I don't believe you need both the / and the # for delimiters in your
> RegEx. Try using just # (since / is actually going to be in the text
> you're searching for) like this:
>
> <?php
> $data =
> file_get_contents("http://www.youtube.com/watch?v=oQ2dKXGAjNg");
> preg_match('#<title>([^<]*)</title>#iU', $data, $match);
> $title = $match[1];
> echo $title;
> ?>
>
> HTH,
>
>
> Todd Boyd
> Web Programmer
>
> --
> PHP General Mailing List (http://www.php.net/)
> To unsubscribe, visit: http://www.php.net/unsub.php
>
>

You can also escape the / like \/.

> -----Original Message-----

> From: Eric Butera [mailto:eric.butera@gmail.com]
> Sent: Monday, October 13, 2008 12:00 PM
> To: Boyd, Todd M.
> Cc: Ryan S; php php
> Subject: Re: [php] Little regex please...
>
> On Mon, Oct 13, 2008 at 12:52 PM, Boyd, Todd M. <tmboyd1@ccis.edu>
> wrote:

> > I don't believe you need both the / and the # for delimiters in your
> > RegEx. Try using just # (since / is actually going to be in the text
> > you're searching for) like this:
> >
> > <?php
> > $data =
> > file_get_contents("http://www.youtube.com/watch?v=oQ2dKXGAjNg");
> > preg_match('#<title>([^<]*)</title>#iU', $data, $match);
> > $title = $match[1];
> > echo $title;
> > ?>

>
> You can also escape the / like \/.


Very true... but I think everything gets a bit convoluted when you escape your forward-slashes instead of just choosing a more convenient delimiter--especially when URLs are involved. I've seen a few regex that look ridiculous for that very reason: /http:\/\/www\.asdf\.com\/blah\/foobar\.php/i ... looks like a zig-zaggy mess.

My 2c,


Todd Boyd
Web Programmer

On Mon, Oct 13, 2008 at 1:04 PM, Boyd, Todd M. <tmboyd1@ccis.edu> wrote:
>> -----Original Message-----
>> From: Eric Butera [mailto:eric.butera@gmail.com]
>> Sent: Monday, October 13, 2008 12:00 PM
>> To: Boyd, Todd M.
>> Cc: Ryan S; php php
>> Subject: Re: [php] Little regex please...
>>
>> On Mon, Oct 13, 2008 at 12:52 PM, Boyd, Todd M. <tmboyd1@ccis.edu>
>> wrote:
>> > I don't believe you need both the / and the # for delimiters in your
>> > RegEx. Try using just # (since / is actually going to be in the text
>> > you're searching for) like this:
>> >
>> > <?php
>> > $data =
>> > file_get_contents("http://www.youtube.com/watch?v=oQ2dKXGAjNg");
>> > preg_match('#<title>([^<]*)</title>#iU', $data, $match);
>> > $title = $match[1];
>> > echo $title;
>> > ?>
>>
>> You can also escape the / like \/.
>
> Very true... but I think everything gets a bit convoluted when you escape your forward-slashes instead of just choosing a more convenient delimiter--especially when URLs are involved. I've seen a few regex that look ridiculous for that very reason: /http:\/\/www\.asdf\.com\/blah\/foobar\.php/i ... looks like a zig-zaggy mess.
>
> My 2c,
>
>
> Todd Boyd
> Web Programmer
>
>
>
>

Well that is a bit extreme, but I understand your point. If it were 1
character I'd still stick with /'s and escape one though.

> /http:\/\/www\.asdf\.com\/blah\/foobar\.php/i ... looks like a zig-zaggy mess.

Perhaps it was meant to... :-)

--
Richard Heyes

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