Extract array in string rails [duplicate]

Question

My string is

"[1,2,3]"

I want to get output in the below format

[1,2,3]

I want to extract array present in my string.

Answer 1

Just parse it with JSON.parse method like this ;

JSON.parse("[1,2,3]")

Answer 2

You can use eval:

try:

eval("[1,2,3]")
=> [1, 2, 3]