- var_dump: documentation ( source)
- preg_match: documentation ( source)
<?php
$response = 'string(42) "{"ERROR_MSG":"Invalid path for user raol"}" ';
$samplerequesturi = "/variable/12345678910";
preg_match("^/([A-Za-z]+)/(\d+)$", $samplerequesturi, $out);
var_dump($out);