tekst uit file halen

<?php
$text = "Number: '9799'";

$match = array ();
preg_match ("~'\\d+'~", $text, $match);
echo $match[0];
?>

<?php
$text = "Number: '9799'";
 
$match = array ();
preg_match ("~'\\d+'~", $text, $match);
echo $match[0];
?>