How to do this with Regular Expressions?

Hi,

Lets say I have an html file containing A tags like this:

<a *anything here* href="http://www.url.com" *anything here*>*anything here*</a>
<a *anything here* href="folder/somepage.html" *anything here*>*anything here*</a>
<a *anything here* href="../somepage.html" *anything here*>*anything here*</a>
<a *anything here* href="somepage.php?test=43" *anything here*>*anything here*</a>

HTML:

The question I have, is how can I use Regular Expressions to get the URL string from the text above? What I mean is I would like to be able to produce a list of urls like this (including the domain etc):

http://www.url.com
http://www.url.com/folder/somepage.html
http://www.url.com/somepage.html
http://www.url.com/somepage.php?test=43

Code (markup):

Is this easy to do in PHP using Regular Expressions?
Also, is there a way to grab the anchor text for each link as well?

Cheers ...
Gerald.

 

$reg='/<a(.*)href="(.*)"(.*)>(.*)<\/a>/sU';

preg_match_all($reg,$file_contents,$out);

Just look at what you have in $out after this. It should be all you need.

 

Hi,

I did the following as a test:

<?php
$file_contents = '
<a *anything here* href="http://www.url.com" *any1*>*here1*</a>
<a *anything here* href="folder/somepage.html" *any2*>*here2*</a>
<a *anything here* href="../somepage.html" *any3*>*here3*</a>
<a *anything here* href="somepage.php?test=43" *any4*>*here4*</a>';

$reg= '/<a(.*)href="(.*)"(.*)>(.*)<\/a>/sU';
preg_match_all($reg,$file_contents,$out);

foreach ($out as $val) {
    echo "part 1: " . $val[0] . " <br>\n";
    echo "part 2: " . $val[1] . "<br>\n";
    echo "part 3: " . $val[3] . "<br>\n";
    echo "part 4: " . $val[4] . "<br><br>\n\n";
}

PHP:

But the output I get is this:

part 1: <a *anything here* href="http://www.url.com" *any1*>*here1*</a> <br>
part 2: <a *anything here* href="folder/somepage.html" *any2*>*here2*</a><br>
part 3: <a *anything here* href="somepage.php?test=43" *any4*>*here4*</a><br>
part 4: <br><br>

part 1:  *anything here*  <br>
part 2:  *anything here* <br>
part 3:  *anything here* <br>
part 4: <br><br>

part 1: http://www.url.com <br>
part 2: folder/somepage.html<br>
part 3: somepage.php?test=43<br>
part 4: <br><br>

part 1:  *any1* <br>
part 2:  *any2*<br>
part 3:  *any4*<br>
part 4: <br><br>

part 1: *here1* <br>
part 2: *here2*<br>
part 3: *here4*<br>
part 4: <br><br>

Code (markup):

For some reason it's not picking up the third one:

<a *anything here* href="../somepage.html" *any3*>*here3*</a>

Code (markup):

Any ideas?

Regards,
Gerald.

 

preg_match_all('/<a.+href="([^"]+)"[^>]*>.+<\/a>/si', $text, $urls);

echo '<pre>' . print_r($urls[1], true) .'</pre>';

PHP:

This works for me.

 

Thanks people for all your help!!!
I've had a play and this does what I want:

<?php
$file_contents = '
<a *anything here* href="http://www.url.com" *any1*>*here1*</a>
<a *anything here* href="folder/somepage.html" *any2*>*here2*</a>
<a *anything here* href="../somepage.html" *any3*>*here3*</a>
<a *anything here* href="somepage.php?test=43" *any4*>*here4*</a>';

$reg= '/<a(.*)href="(.*)"(.*)>(.*)<\/a>/sU';
preg_match_all($reg,$file_contents,$out);
$result = count($out[0]);
echo 'Count: ' . $result . '<br><br>';
echo '<strong>URLs:</strong><br>';
foreach ($out[2] as $val)
{
echo '<br>' . $val;
}
echo '<br><br><strong>Anchors:</strong><br>';
foreach ($out[4] as $val)
{
echo '<br>' . $val;
}
?>

PHP:

Output:

Count: 4

URLs:

http://www.url.com
folder/somepage.html
../somepage.html
somepage.php?test=43

Anchors:

*here1*
*here2*
*here3*
*here4*

Code (markup):

Thanks for all your help !!!!!! Green Rep for all of you!

 

You can Download Windows Script 5.6 Documentation from microsoft to learn Regular Expressions.

http://www.microsoft.com/downloads/details.aspx?familyid=01592C48-207D-4BE1-8A76-1C4099D7BBB9&displaylang=en

Code (markup):