How to extract fields of an array with logstash?

[rodri.gz (RGZ-ELK)]

hello!

i have a field with this format value:

["x@correo.es","x@correo.com"]

and i want to use a scanner tu extract the nested fields with something like this:

  ruby {
      code => "
         event.set('prueba', event.get('[mail]').scan( (?<=\[")(.*?)(?=\"]) ))
      "
  }

Wich regular expression can i use ??

thanks in advanced!!

[rodri.gz (RGZ-ELK)]

i finally solved it.

i use this one:

  ruby {
      code => "event.set('prueba', event.get('[mail]').scan(/\"(.*?)\"/))"
  }