$re = '/([1-9]\d*(?:[\s\.]\d+)*)\s*(€|euros|eur|FF|FRF|francs|F)?/';
$str = ' 10 000 200 €';
preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0);
// Print the entire match result
var_dump($matches);
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for PHP, please visit: http://php.net/manual/en/ref.pcre.php