fork download 
  1. <?php
  2.  
  3. $str = ' disabled hide="a1, a2, a3" active';
  4. $result = preg_replace('/ (?=([^"]*"[^"]*")*[^"]*$)/', PHP_EOL, $str);
  5.  
  6. echo $result;
  7.  
Success #stdin #stdout 0s 82944KB
comments (?)
stdin 
Standard input is empty
stdout 
disabled
hide="a1, a2, a3"
active
https://ideone.com/dQ78MB
language:
PHP (php 7.3.5)
created:
6 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!