Online PHP editor | output for D4QCq

@ 2022-03-30T09:59:04Z

<?php

$re = '/^([^\d\r\n]*)\h*(\d+(?:\h+\d+)*)\h*([^\d\r\n]*)$/m';
$str = 'from 8 000 packs
test from 8 000 packs test
432534534
from 344454 packs
45054 packs
04 555
434654
54 564 packs';

preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0);

foreach($matches as $match) {
    list(,$before, $num, $after) = $match;
    echo sprintf(
        "before: %s\nnum:%s\nafter:%s\n--------------------\n",
        $before, preg_replace("/\h+/", "", $num), $after
    );
}

Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.21, 8.5.0 - 8.5.6: before: from num:8000 after:packs -------------------- before: test from num:8000 after:packs test -------------------- before: num:432534534 after: -------------------- before: from num:344454 after:packs -------------------- before: num:45054 after:packs -------------------- before: num:04555 after: -------------------- before: num:434654 after: -------------------- before: num:54564 after:packs --------------------

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