From: William James <w_a_x_man@...>
Date: 2008-09-19T04:02:31+09:00
Subject: Re: Suggestion for string parsing

On Sep 18, 3:48 am, Me Me <emanue...@tiscali.it> wrote:
> Hi all,
> I would like to know if there's a better way to parse a string and
> assing values to variables;
>
> Ex:
>
> Client=MPEG-4,390000,700000,24000
>
> I can do
>
> line =~ /(\w*)=([0-9A-Za-z -.:]*),([0-9]*),([0-9]*),([0-9]*)/
>
> and
>
> var1 = $1
> var2 = $2
> var3 = $3
> var4 = $4
> var4 = $5
>
> But I'm sure there's a better way, even considering that the number of
> parameters can increase and I don't want to write a long regular
> expression rule, that is hard to read.

s = "Client=MPEG-4,390000,700000,24000"
    ==>"Client=MPEG-4,390000,700000,24000"
if s =~ /^\w+=\S+(,\d+)+$/
  vars = s.split( /[=,]/ )
end
    ==>["Client", "MPEG-4", "390000", "700000", "24000"]