Replace inner double quotes in a string in an array

Question

I have strings in an array:

["foo","bar","foo"bar"baz"]

I am using eval method to form an array with this string, but the inner double quotes are not escaped:

eval('["foo","bar","foo"bar"baz"]') # => SyntaxError

Is there a way to escape only the ones inside an array element?

Have you tried to write a pattern for that? Please share your attempt(s). — Wiktor Stribiżew
– Wiktor Stribiżew, Commented Jul 20, 2016 at 8:03
@SergeyGuide something that i can use in eval to create a ruby array ["foo","bar","foo\"bar\"baz"] — Farhan Salam
– Farhan Salam, Commented Jul 20, 2016 at 8:11

Sergey Mell · Accepted Answer · 2016-07-20 08:27:01Z

3

I think you can try something like

eval('["foo","bar","foo"bar"baz"]'.gsub(/(\w)\"(\w)/, '\1\"\2'))

if I got what you have meant

answered Jul 20, 2016 at 8:27

Sergey Mell

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13 Comments

Wiktor Stribiżew Over a year ago

Or .gsub(/\b"\b/,'\"')

Sergey Mell Over a year ago

Yeah, this is much more elegant solution

Wiktor Stribiżew Over a year ago

I think it won't fix all the cases, unfortunately. What about '["foo","foo"b ar"baz",""an"t"on""]'?

Farhan Salam Over a year ago

Thanks @SergeyGuide

Farhan Salam Over a year ago

@WiktorStribiżew Thanks for your solution and I am testing with eval('["foo","bar","foo "bar" baz"]'.gsub(/\b"\b/,'\"')) and it is not working. Both of the solutions, unfortunately.

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Sergey Mell · Accepted Answer · 2016-07-20 09:18:16Z

1

This might work for all possible variants. This would fix all quotes except of appearing near commas and brackets

.gsub(/(?<!\,)(?<!\[)(?<!\])\"(?!\,)(?!\[)(?!\])/, '\"')

answered Jul 20, 2016 at 9:18

Sergey Mell

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