Convert string to array in ruby?

Question

I have a string like this:

"[\"fr\", \"sv\"]"

and I want to convert this string into an array like following.

["fr", "sv"]

I tried too many thing but not getting the expected outcome. Can anyone help?

The string is valid JSON. Is that always guaranteed? Where does it come from? Can you modify the source to make sure that it is always valid JSON? — Jörg W Mittag
– Jörg W Mittag, Commented Mar 30, 2019 at 12:46

Sebastián Palma · Accepted Answer · 2019-03-30 13:28:28Z

5

"[\"fr\", \"sv\"]" - This is JSON-string array.

You should parse string as json:

require 'json'
# => true
JSON.parse("[\"fr\", \"sv\"]")
# => ["fr", "sv"]

Reverse process:

require 'json'
# => true
["fr", "sv"].to_json
# => "[\"fr\",\"sv\"]"

Sebastián Palma

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answered Mar 30, 2019 at 13:00

QNester

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Comments

spickermann · Accepted Answer · 2019-03-30 13:00:01Z

3

Your string looks like JSON, therefore I would use a JSON parser:

require 'json'
string = "[\"fr\", \"sv\"]"

JSON.parse(string)
#=> ["fr", "sv"]

answered Mar 30, 2019 at 13:00

spickermann

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Your answer was a little earlier.