[PHP] pobierz, plaintext 
 "https?://([-\w\.]+)+(:\d+)?(/([\w/_\.]*(\?\S+)?)?)?" 
[PHP] pobierz, plaintext 

[PHP] pobierz, plaintext 
 [^\"]{1}https?://([-\w\.]+)+(:\d+)?(/([\w/_\.]*(\?\S+)?)?)?[^\"]{1} 
[PHP] pobierz, plaintext 

[PHP] pobierz, plaintext 
"[^\"]*https?://([-\w\.]+)+(:\d+)?(/([\w/_\.]*(\?\S+)?)?)?[^\"]*"
[PHP] pobierz, plaintext 

Cytat(croc @ 8.11.2011, 09:17:03 )

[PHP] pobierz, plaintext 
<?php
 
foreach ( $link_list as $link ) {
 
	$plink = parse_url($link);
 
	if ( ! isset($plink['scheme']) OR ! in_array($plink['scheme'], array('http', 'https'))) {
		continue;
	}
	if ( ! isset($plink['host'])) {
		continue;
	}
 
	$href = "$plink['scheme']://{$plink['host']}";
	$link = $plink['host'];
}
 
?>
[PHP] pobierz, plaintext 

[PHP] pobierz, plaintext 
print_r(parse_url('czy to jest url')); // [path] => czy to jest url
[PHP] pobierz, plaintext 

Cytat(wookieb @ 8.11.2011, 11:46:50 )

[PHP] pobierz, plaintext 
print_r(parse_url('czy to jest url')); // [path] => czy to jest url
[PHP] pobierz, plaintext 

[PHP] pobierz, plaintext 
isset($parsed_url['scheme']);
[PHP] pobierz, plaintext 

[HTML] pobierz, plaintext 
jakiś tekst jakiś tekst
jakiś tekst jakiś tekst
<a href="http://www.strona.pl">http://www.strona.pl</a>
jakiś tekst jakiś tekst
jakiś tekst jakiś tekst
<a href="http://www.inna-strona.com">http://www.inna-strona.com</a>
jakiś tekst jakiś tekst
jakiś tekst jakiś tekst
[HTML] pobierz, plaintext 

[HTML] pobierz, plaintext 
<a href="#">this is some http://link.me link</a>
[HTML] pobierz, plaintext 

[HTML] pobierz, plaintext 
<a href="#">this is some <a href="#">http://link.me</a> link</a>
[HTML] pobierz, plaintext 

[HTML] pobierz, plaintext 
<a href="#">this is some http://link.me link</a>
[HTML] pobierz, plaintext 

[HTML] pobierz, plaintext 
<img src="http://www.wp.pl"/>
[HTML] pobierz, plaintext 

[HTML] pobierz, plaintext 
<img src="<a href="http://www.wp.pl"/>"> http://www.wp.pl"/> </a>
[HTML] pobierz, plaintext 

[PHP] pobierz, plaintext 
$urls=array (
  "http://forum.php.pl/index.php?showtopic=187323&st=20",
  "http://195.242.93.150/index.php?showtopic=187323&st=20",
  "http://127.0.0.1/",
  "http://host"
);
 
foreach ($urls as $url) {
  echo "$url ";
  if (preg_match ('/^(?#Protocol)(?:(?:ht|f)tp(?:s?)\:\/\/|~\/|\/)?(?#Username:Password)(?:\w+:\w+@)?(?#Subdomains)(?:(?:[-\w]+\.)+(?#TopLevel Domains)(?:com|org|net|gov|mil|biz|info|mobi|name|aero|jobs|museum|travel|[a-z]{2}))(?#Port)(?::[\d]{1,5})?(?#Directories)(?:(?:(?:\/(?:[-\w~!$+|.,=]|%[a-f\d]{2})+)+|\/)+|\?|#)?(?#Query)(?:(?:\?(?:[-\w~!$+|.,*:]|%[a-f\d{2}])+=?(?:[-\w~!$+|.,*:=]|%[a-f\d]{2})*)(?:&(?:[-\w~!$+|.,*:]|%[a-f\d{2}])+=?(?:[-\w~!$+|.,*:=]|%[a-f\d]{2})*)*)*(?#Anchor)(?:#(?:[-\w~!$+|.,*:=]|%[a-f\d]{2})*)?$/', $url))
    print "to poprawny URL<br>";
  else print "to nie jest poprawny URL<br>";
}
[PHP] pobierz, plaintext