Select Code to Download

this    is (some more) 
JOY code

"this", "is", "(some more)", "JOY", "code"

                             
# match when between unescaped reverse parens                         
+          
# ..or start/end of string                                            
+          
...
   (?<!\\) \( ) #unescaped lparen                                     
+          
 )
/xs, $script;