At 12:52 PM -0300 9/21/09, Jônatas Zechim wrote:
Hi there, i've the following strings:
$string1 = 'Lorem ipsum dolor http://site.com sit amet';
$string2 = 'Lorem ipsum dolor http://www.site.com/ sit amet';
$string3 = 'Lorem ipsum dolor http://www.site.net sit amet';
How can I extract the URL from these strings?
They can be [http:// + url] or [www. + url].
Zechim
Not tested:
<?php
$textString = 'orem ipsum dolor sit amet, consectetuer adipiscing
elit. Proin et urna. Duis quam. Suspendisse potenti. Etiam sem tortor,
ultricies nec, http://example.com imperdiet nec, tempus ac, purus.
Suspendisse id lectus. Nam vitae quam. Aliquam ligula nisl, vestibulum
vulputate, tempor nec, https://www.example.com tincidunt sit amet,
libero. Suspendisse a justo. Cum sociis natoque penatibus et.';
$url_regexp =
'<(?:(?:https?)://(?:(?:(?:(?:(?:(?:[a-zA-Z0-9][-a-zA-Z0-9]*)?[a-zA-Z0-9])[.])*(?:[a-zA-Z][-a-zA-Z0-9]*[a-zA-Z0-9]|[a-zA-Z])[.]?)|(?:[0-9]+[.][0-9]+[.][0-9]+[.][0-9]+)))(?::(?:(?:[0-9]*)))?(?:/(?:(?:(?:(?:(?:(?:[a-zA-Z0-9\\-_.!~*\'():@&=+$,]+|(?:%[a-fA-F0-9][a-fA-F0-9]))*)(?:;(?:(?:[a-zA-Z0-9\\-_.!~*\'():@&=+$,]+|(?:%[a-fA-F0-9][a-fA-F0-9]))*))*)(?:/(?:(?:(?:[a-zA-Z0-9\\-_.!~*\'():@&=+$,]+|(?:%[a-fA-F0-9][a-fA-F0-9]))*)(?:;(?:(?:[a-zA-Z0-9\\-_.!~*\'():@&=+$,]+|(?:%[a-fA-F0-9][a-fA-F0-9]))*))*))*))(?:[?](?:(?:(?:[;/?:@&=+$,a-zA-Z0-9\\-_.!~*\'()]+|(?:%[a-fA-F0-9][a-fA-F0-9]))*)))?))?)>';
$output = preg_replace($url_regexp, '<a href="$0">$0</a>', $textString);
print $output;
?>
Cheers,
tedd
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