replace all “foo” between ()

Question

I\'ve problem with my regex code, the problem is: I want to replace all \"foo\" values but only inside \"()\". Example:

try foo foo-foo (try foo inside , foo         


        

Answer 1

If you can live with using a loop and replacing multiple times, this solution will work:

do {
  $string = preg_replace('/(\([^)]*)foo([^)]*\))/U', '\1boo\2', $string, -1, $count);
}while($count != 0);
echo $string;