Php在字符串中查找具有给定模式的所有链接

Question

I am importing articles from a remote API endpoint, and on import I need to find all links in a string by a word. So, for example if I get a string that looks like this:

<a href='http://myhost.com/Se-hva-vi-gjoer'>Les mer </a>blbl blblb blblb blblb<a href='https://myhost.com/Se-hva-vi-gjoer/Positive-women'>Les mer </a>

I would have to find all links that have myhost.com in the string. I have tried with the this kind of preg_match:

preg_match_all('@(https?://myhost.com)?([^/]+)@i', $string , $linkMatches);

But, that gives me this kind of array:

array:3 [
  0 => array:8 [
    0 => "<a href='http:"
    1 => "myhost.com"
    2 => "Se-hva-vi-gjoer'>Les mer <"
    3 => "a>blbl blblb blblb blblb<a href='https:"
    4 => "myhost.com"
    5 => "Se-hva-vi-gjoer"
    6 => "Positive-women'>Les mer <"
    7 => "a>"
  ]
  1 => array:8 [
    0 => ""
    1 => ""
    2 => ""
    3 => ""
    4 => ""
    5 => ""
    6 => ""
    7 => ""
  ]
  2 => array:8 [
    0 => "<a href='http:"
    1 => "myhost.com"
    2 => "Se-hva-vi-gjoer'>Les mer <"
    3 => "a>blbl blblb blblb blblb<a href='https:"
    4 => "myhost.com"
    5 => "Se-hva-vi-gjoer"
    6 => "Positive-women'>Les mer <"
    7 => "a>"
  ]
]

And what I want is an array with this strings:

http://myhost.com/Se-hva-vi-gjoer and https://myhost.com/Se-hva-vi-gjoer/Positive-women

What would be the correct regex for that?

Answer 1

You can try this:

preg_match_all('/[\'\"](https?\:\/\/[^\'\"]?myhost.com[^\'\"]*)[\'\"]/i', $string , $linkMatches);