$ irb
irb(main):001:0> str="[1,2][2,1][3,1][4,1],"
=> "[1,2][2,1][3,1][4,1],"
irb(main):002:0> str.gsub(/\]\[/, '],[').sub(/,$/, '')
=> "[1,2],[2,1],[3,1],[4,1]"

--
Kent


On 3/2/06, huseyin polat <huseyinpolat / gmail.com> wrote:
> I have spend over 4 hours for this.. here is the question masters, very
> simple.
> str=String.new
> str="[1,2][2,1][3,1][4,1]"
>
> now I want to print this string as
> [1,2],[2,1],[3,1],[4,1]
> in other word I want to add comma between those ][ and make them look
> like ],[
> I tried gsub with hundred different possibilities but no luck,
>
> second problem
> if my the same str has
> [1,2][2,1][3,1][4,1],
> and I want to get rid of last comma from the list, I tried chop chomp
> and all that but it gets ri of alot more than comma at the end. how can
> I get rid of last comma from the list? from [1,2][2,1][3,1][4,1], to
> [1,2][2,1][3,1][4,1]
>
>
> any help will be appreciated.
> thank you
>
>
> --
> Posted via http://www.ruby-forum.com/.
>
>