php xpath query with contains and regex

Question

Right now I have a xpath search function that looks like this:

$paragraph = $xmldoc->xpath("//p[contains(., '$wordsearch')]");

I was wondering if it is possible to let $wordsearch be a regular expression, so that my search looked something like this:

$paragraph = $xmldoc->xpath("//p[contains(., '$regularExpression')]");

Thanks for your help.

It's not supported, because in PHP the underlying library only implements XPath 1.0. — mario
– mario, Commented Jan 21, 2013 at 1:47
Reference: Using regex to filter attributes in xpath with php (Jul 2011) — hakre
– hakre, Commented Aug 17, 2015 at 5:31

hakre · Accepted Answer · 2013-01-21 02:19:29Z

1

You can filter the array with the regex instead:

$paragraph = array_filter(
    $xmldoc->xpath("//p"), 
    function ($p) use ($regularExpression) {
        return preg_match($regularExpression, $p);
    }
);

See array_filter.

answered Jan 21, 2013 at 2:19

hakre

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