Question 396135 in PHP Question posted in
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PHP valid url, including subdomains and also subpath

I need to check if a given string is valid. For me, the following and any other similar combinations are all valid URLs

'https://example.com/api/',
'https://www.example.com/test-subpath',
'https://www.example.com',
'example.com/test/page',
'www.example.com',
'www.subdomain.example.com',
'https://www.subdomain.example.com',
'subdomain.example.com',
'http://subdomain.example.com',
'https://subdomain.example.com'

while

'user-service/api/'

is invalid. I tried parse_url() and filter_var($url, FILTER_VALIDATE_URL) methods but non worked.

Thanks in advance.

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2

Answers


  1. 0

    You have not described the rules of what to match and what not to match. All you have provided are some. For those examples, just searching for a dot will give you the correct answer.

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  2. 0

    This is so simple example to validate your URL patterns.

    <?php
$re = '#example[.]com#i';
$str = 'subdomain.example.com';

preg_match($re, $str, $matches, PREG_OFFSET_CAPTURE, 0);

// Print the entire match result
var_dump($matches);
?>

    Hope this helps for you.
    Thank you.

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