php匹配网址的正则表达式

正则表达式 (http|ftp|https)://[w-_]+(.[w-_]+)+([w-.,@?^=%&:/~+#]*[w-@?^=%&/~+#])?
匹配 http://regxlib.com/Default.aspx | http://electronics.cnet.com/electronics/0-6342366-8-8994967-1.html
不匹配 www.yahoo.com
 
正则表达式 ^\{2}[w-]+\(([w-][w-s]*[w-]+[$$]?$)|([w-][$$]?$))
匹配 \serverservice | \servermy service | \serv_001service$
不匹配 \my serverservice | \server service | \server$service

正则表达式 ^(http|https|ftp)://([a-zA-Z0-9.-]+(:[a-zA-Z0-9.&%$-]+)*@)?((25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]).(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0).(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0).(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[0-9])|([a-zA-Z0-9-]+.)*[a-zA-Z0-9-]+.[a-zA-Z]{2,4})(:[0-9]+)?(/[^/][a-zA-Z0-9.,?'\/+&%$#=~_-@]*)*$
匹配 http://www.sysrage.net | https://64.81.85.161/site/file.php?cow=moo's |ftp://user:pass@host.com:123
不匹配 sysrage.net

正则表达式 ^([a-zA-Z]:|\\[^/\:*?"<>|]+\[^/\:*?"<>|]+)(\[^/\:*?"<>|]+)+(.[^/\:*?"<>|]+)$
匹配 c:Test.txt | \serversharedTest.txt | \serversharedTest.t
不匹配 c:Test | \servershared | \serversharedTest.?

正则表达式 ^(http|https|ftp)://([a-zA-Z0-9.-]+(:[a-zA-Z0-9.&%$-]+)*@)*((25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]).(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0).(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0).(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[0-9])|localhost|([a-zA-Z0-9-]+.)*[a-zA-Z0-9-]+.(com|edu|gov|int|mil|net|org|biz|arpa|info|name|pro|aero|coop|museum|[a-zA-Z]{2}))(:[0-9]+)*(/($|[a-zA-Z0-9.,?'\+&%$#=~_-]+))*$
匹配 http://site.com/dir/file.php?var=moo | https://localhost |ftp://user:pass@site.com:21/file/dir
不匹配 site.com | http://site.com/dir//

正则表达式 ^([a-zA-Z]:)(\[^\/:*?<>"|]*(? 匹配 C:di___rfi_sysle.txt | c:dirfilename.txt
不匹配 c:dirfile?name.txt

正则表达式 ^([a-zA-Z0-9]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?.)+[a-zA-Z]{2,6}$
匹配 regexlib.com | this.is.a.museum | 3com.com
不匹配 notadomain-.com | helloworld.c | .oops.org

正则表达式 ^(((ht|f)tp(s?))://)?(www.|[a-zA-Z].)[a-zA-Z0-9-.]+.(com|edu|gov|mil|net|org|biz|info|name|museum|us|ca|uk)(:[0-9]+)*(/($|[a-zA-Z0-9.,;?'\+&%$#=~_-]+))*$
匹配 www.blah.com:8103 | www.blah.com/blah.asp?sort=ASC |www.blah.com/blah.htm#blah
不匹配 www.state.ga | http://www.blah.ru

正则表达式 b(([w-]+://?|www[.])[^s()<>]+(?:([wd]+)|([^[:punct:]s]|/)))
匹配 http://foo.com/blah_blah | http://foo.com/blah_blah/ | (Something like http://foo.com/blah_blah) | http://foo.com/blah_blah_(wikipedia) | (Something like http://foo.com/blah_blah_(wikipedia)) | http://foo.com/blah_blah. |http://foo.com/blah_blah/. | | | http://foo.com/blah_blah, | http://www.example.com/wpstyle/?p=364. | http://?df.ws/123 | rdar://1234 | rdar:/1234 | http://userid:password@example.com:8080 |http://userid@example.com | http://userid@example.com:8080 |http://userid:password@example.com
不匹配 no_ws.example.com | no_proto_or_ws.com | /relative_resource.php

$search = '~^(([^:/?#]+):)?(//([^/?#]*))?([^?#]*)(?([^#]*))?(#(.*))?~i';
$url = 'http://www.php.net/pub/ietf/uri/#Related';
$url = trim($url);
preg_match_all($search, $url ,$rr);
printf("

输出URL数据为：

%s

/*
各分组如下
      $1 = http:
      $2 = http
      $3 = //www.php.net
      $4 = www.php.net
      $5 = /pub/ietf/uri/
      $6 = <undefined>
      $7 =
      $8 = #Related
      $9 = Related
*/
?>