3v4l.org

run code in 300+ PHP versions simultaneously

sponsor
bughunt
search
recent
about

@ 2014-08-05T09:04:55Z

<?php
$string = '($a * 10 + $b) Euro and (10 + 2) cents';
$regex = '#\((([^()]+|(?R))*)\)#';
if (preg_match_all($regex, $string ,$matches)) {
    echo var_export($matches[1], true);
} else {
    //no parenthesis
    echo $string;
}

Output
Performance
VLD
References
Branches

preg_match_all: documentation ( source)
var_export: documentation ( source)

preferences:dark modelive preview

38.06 ms | 402 KiB | 5 Q