<?php
$string = <<<DATA
$50 From here i need only 50
$60.59 From here i need only 60, Need to remove $ and .59
€360 From here i need only 360.
€36.99 From here i need only 36 need to remove € and .99.
£900 From here i need only 900.
£90.99 From here i need only 90.
DATA;
$regex = '~[$€£]\K\d+~';
?>
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