Need help with parse function in Universal Device Poller

The poller of fan returns the text string "fan1:2035,fan2:8033,cpu_fan1:8123".

parse((?<result>\d+),{fan})  return 1

parse((?<result>\d\d\d\d),{fan})  return 2035

How can I use parse function to  get the values of 8033 and 8123?