How can I get only middle 4Carachter of from a Variable which has 40Carachter

[afridymhamude1]

I have this {"results":{"balance":277950.00},"success":true,"message":null} and I want that 277950.00 = [[randomtext]]

In Regular expression how ?

[serrgo]

@afridymhamude1 In this case you should use Json, not regular expression

[michael666]

Easiest way would be json, or you can get "substring between string" and put for A - " "balance": "
and for B - " },"success":true, "