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php匹配網(wǎng)址的正則 幾乎可以匹配任何網(wǎng)址

 更新時(shí)間:2013年05月06日 11:51:29   投稿:mdxy-dxy  
php匹配網(wǎng)址的正則 幾乎可以匹配任何網(wǎng)址,需要的朋友可以參考下

比較簡(jiǎn)單的

$str = '';
$isMatched = preg_match('/^^((https|http|ftp|rtsp|mms)?:\/\/)[^\s]+$/', $str, $matches);
var_dump($isMatched, $matches);

幾乎可以匹配任何網(wǎng)址:

^((https?|ftp|news):\/\/)?([a-z]([a-z0-9\-]*[\.。])+([a-z]{2}|aero|arpa|biz|com|coop|edu|gov|info|int|jobs|mil|museum|name|nato|net|org|pro|travel)|(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5]))(\/[a-z0-9_\-\.~]+)*(\/([a-z0-9_\-\.]*)(\?[a-z0-9+_\-\.%=&]*)?)?(#[a-z][a-z0-9_]*)?$ 

實(shí)例:

<script type="text/javascript"> 
function IsURL(urlString) 
{ 
regExp = /^((https?|ftp|news):\/\/)?([a-z]([a-z0-9\-]*[\.。])+([a-z]{2}|aero|arpa|biz|com|coop|edu|gov|info|int|jobs|mil|museum|name|nato|net|org|pro|travel)|(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5]))(\/[a-z0-9_\-\.~]+)*(\/([a-z0-9_\-\.]*)(\?[a-z0-9+_\-\.%=&]*)?)?(#[a-z][a-z0-9_]*)?$/ 
if (urlString.match(regExp)) 
return "is a url"; 
else 
return "not a url"; 
} 
url = ""; 
alert(IsURL(url)); 
</script> 

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