<?php
$re = '/(phone|age)=(\d+)/';
$str = '/customers?phone=000000000&age=00
';
// Print the entire match result
PD9waHAKCiRyZSA9ICcvKHBob25lfGFnZSk9KFxkKykvJzsKJHN0ciA9ICcvY3VzdG9tZXJzP3Bob25lPTAwMDAwMDAwMCZhZ2U9MDAKCic7CgpwcmVnX21hdGNoX2FsbCgkcmUsICRzdHIsICRtYXRjaGVzKTsKCi8vIFByaW50IHRoZSBlbnRpcmUgbWF0Y2ggcmVzdWx0CnByaW50X3IoYXJyYXlfY29tYmluZSgkbWF0Y2hlc1sxXSwgJG1hdGNoZXNbMl0pKTs=