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I am having a problem extracting a substring from a string using regex.

For example I have a string like follows

str = "result[cars][ford]"

Now I need a regex which can extract out cars and ford out of that string so that when

str.match({{regex}})[1]

would provide cars and

str.match({{regex}})[2]

would provide ford

Now i need that regex inside that curly braces.

Any link that helps to this question are most welcomed.

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  • Question updated: str always must start with result Commented Aug 8, 2012 at 11:00
  • Well, your string doesn't match this condition Commented Aug 8, 2012 at 11:04

1 Answer 1

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It's actually simple.

s = "result[cars][ford]"
matches = s.scan(/\[(\w+)\]/).flatten # => ["cars", "ford"]

Here's a demo.

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3 Comments

Hi, Sergio Tulentsev please see the comment in question.
Well here's what i got with this regex. str = "result[cars][ford]". str.match(/[(\w+)]/)[2] gives me nil
Still it produce the same result for the string str = "whatever[cars][ford]". matches = str.scan(/[(\w+)]/).flatten # => ["cars", "ford"]. How do i get the result only if it starts with result

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