From: Raul Parolari <raulparolari@...>
Date: 2007-11-23T19:47:56+09:00
Subject: Re: New at regexp and Ruby need help on parsing a string.

Gabra Kadabra wrote:
> I'm building a little test console for a ruby project. When using a
> function I might get something like this:
> 
> input_string ="and stuff and nice things not bad girls not greasy boys
> and girlsandboys"
> 
> As you already have guessed, I want the following in some kind of
> format:
> 
> smoking_table = {"and" => ["stuff", "nice things", "girlsandboys"],
> "not" => ["bad girls","greasy boys"]}
> 
> Thus, a regexp that splits a string on code words like "and" and "not"
> is what I need.
> Please help me

# One possible implementation is:

smoking_table = { :and => [], :not => [] }

str.scan(/ (and|not) (.*?) (?= \band|\bnot|$) /x) do |k, v|
  smoking_table[k.to_sym].push(v.strip)
end

=> {:and => ["stuff", "nice things", "girlsandboys"],
    :not => ["bad girls", "greasy boys"]}


I hope that this works for you,

Raul
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