How to match text in regex

Question

I have a text

<div class="ti"><div class="pic">
        <a href="/categories/rr/1.html"><img src="http://www.erty.com/images/440f2d2a.jpg" alt="Ind"> <span>Ind</span></a> (98)
    </div></div><div class="ti"><div class="pic">
        <a href="/categories/ert/1.html"><img src="http://www.erty.com/images/4123d2b.jpg" alt="Wes"> <span>Wes</span></a> (6044)
    </div></div>

How Can I use preg_match_all in PHP to get

/categories/rr/1.html
http://www.erty.com/images/440f2d2a.jpg
Ind
98

for all entries.

I tried

preg_match_all('|[^<div class="ti"><div class="pic">].*?[^<\/div><\/div>]+|',
$test_html,
$out, PREG_PATTERN_ORDER);

But its not working.

Never try to parse HTML with RegExp. https://stackoverflow.com/questions/1732348/regex-match-open-tags-except-xhtml-self-contained-tags/1732454#1732454 — napolux, May 25 '18 at 14:44
https://secure.php.net/manual/en/simplexml.examples-basic.php — castis, May 25 '18 at 14:46
Possible duplicate of [RegEx match open tags except XHTML self-contained tags](https://stackoverflow.com/questions/1732348/regex-match-open-tags-except-xhtml-self-contained-tags) — BenRoob, May 25 '18 at 14:57

score 0 · Answer 1 · answered May 25 '18 at 14:46

Never try to parse HTML with RegExp.

Since your html file is probably also an XML file, try this.

$html = "<div class="ti"><div class="pic"><a href="/categories/rr/1.html"><img src="http://www.erty.com/images/440f2d2a.jpg" alt="Ind"> <span>Ind</span></a></div></div><div class="ti"><div class="pic"><a href="/categories/ert/1.html"><img src="http://www.erty.com/images/4123d2b.jpg" alt="Wes"> <span>Wes</span></a></div></div>";
$doc = new DOMDocument();
$doc->loadHTML($html);
$sxml = simplexml_import_dom($doc);

Or, if you're scraping a website you'd better use jQuery selectors in a node.js app.

score 0 · Answer 2 · answered May 25 '18 at 15:12

That's not a job for Regular Expressions. PHP have built-in classes for parsing HTML files that allows you to query a node through the DOM.

$dom = new DOMDocument();
libxml_use_internal_errors(true);
$dom->loadHTML($html);
libxml_use_internal_errors(false);

$xpath = new DOMXPath($dom);
$pics = $xpath->query('//div[@class="ti"]/div[@class="pic"]');

$data = [];
foreach ($pics as $pic) {
    $data[] =[
        'href' => $pic->getElementsByTagName('a')[0]->getAttribute('href'),
        'src' => $pic->getElementsByTagName('img')[0]->getAttribute('src'),
        'conetnt' => trim($pic->textContent)
    ];
}

print_r($data);

Output:

Array
(
    [0] => Array
        (
            [href] => /categories/rr/1.html
            [src] => http://www.erty.com/images/440f2d2a.jpg
            [conetnt] => Ind (98)
        )

    [1] => Array
        (
            [href] => /categories/ert/1.html
            [src] => http://www.erty.com/images/4123d2b.jpg
            [conetnt] => Wes (6044)
        )

)

score 0 · Answer 3 · answered May 25 '18 at 16:16

$regex = '/href="(.*?)".*src="(.*?)".*alt="(.*?)".*\((\d+)\)/ms';

$string = '
<div class="ti"><div class="pic">
        <a href="/categories/rr/1.html"><img src="http://www.erty.com/images/440f2d2a.jpg" alt="Ind"> <span>Ind</span></a> (98)
    </div></div><div class="ti"><div class="pic">
        <a href="/categories/ert/1.html"><img src="http://www.erty.com/images/4123d2b.jpg" alt="Wes"> <span>Wes</span></a> (6044)
    </div></div>
';

preg_match_all($regex, $string, $matches);

print_r($matches);

OUTPUT:

Array
(
    [0] => Array
        (
            [0] => href="/categories/rr/1.html"><img src="http://www.erty.com/images/440f2d2a.jpg" alt="Ind"> <span>Ind</span></a> (98)
    </div></div><div class="ti"><div class="pic">
        <a href="/categories/ert/1.html"><img src="http://www.erty.com/images/4123d2b.jpg" alt="Wes"> <span>Wes</span></a> (6044)
        )

    [1] => Array
        (
            [0] => /categories/rr/1.html
        )

    [2] => Array
        (
            [0] => http://www.erty.com/images/4123d2b.jpg
        )

    [3] => Array
        (
            [0] => Wes
        )

    [4] => Array
        (
            [0] => 6044
        )

)

How to match text in regex

3 Answers3