[英]PHP URL validation
我知道有無數個線程在問這個問題,但是我一直找不到能夠幫助我解決這個問題的線程。
我基本上是在嘗試解析大約10,000,000個URL的列表,確保它們按照以下條件有效,然后獲取根域URL。 該列表幾乎包含了您可以想象的所有內容,包括類似的東西(以及預期的格式化網址):
biy.ly/test [VALID] [return - bit.ly]
example.com/apples?test=1&id=4 [VALID] [return - example.com]
host101.wow404.apples.test.com/cert/blah [VALID] [return - test.com]
101.121.44.xxx [**inVALID**] [return false]
localhost/noway [**inVALID**] [return false]
www.awesome.com [VALID] [return - awesome.com]
i am so awesome [**inVALID**] [return false]
http://404.mynewsite.com/visits/page/view/1/ [VALID] [return - mynewsite.com]
www1.151.com/searchresults [VALID] [return - 151.com]
有人對此有任何建議嗎?
^(?:https?://)?(?:[a-z0-9-]+\.)*((?:[a-z0-9-]+\.)[a-z]+)
說明
^ # start-of-line
(?: # begin non-capturing group
https? # "http" or "https"
:// # "://"
)? # end non-capturing group, make optional
(?: # start non-capturing group
[a-z0-9-]+\. # a name part (numbers, ASCII letters, dashes) & a dot
)* # end non-capturing group, match as often as possible
( # begin group 1 (this will be the domain name)
(?: # start non-capturing group
[a-z0-9-]+\. # a name part, same as above
) # end non-capturing group
[a-z]+ # the TLD
) # end group 1
我將從默認值開始:
filter_var($inputUrl, FILTER_VALIDATE_URL);
然后添加您無法進一步驗證的特殊情況。 這應該簡化一點。
至於獲得主持人。
parse_url($inputUrl, PHP_URL_HOST);
^(([a-zA-Z](\\.[a-zA-Z])+)|([0-9]{1,3}(\\.[0-9]{1,3}){3})/.*$
編輯
在php中將是preg_match ( '^(([a-zA-Z](\\.[a-zA-Z])+)|([0-9]{1,3}(\\.[0-9]{1,3}){3})/.*$' , $myUrls , $matches)
您需要的是$matches[1]
$website = test_input($_POST["website"]);
if (!preg_match("/\b(?:(?:https?|ftp):\/\/|www\.)[-a-z0-9+&@#\/%?=~_|!:,.;]*[-a-z0-9+&@#\/%=~_|]/i",$w$website = test_input($_POST["website"]);
if (!preg_match("/\b(?:(?:https?|ftp):\/\/|www\.)[-a-z0-9+&@#\/%?=~_|!:,.;]*[-a-z0-9+&@#\/%=~_|]/i",$website))
{
$websiteErr = "Invalid URL";
}ebsite))
{
$websiteErr = "Invalid URL";
}
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