From: Ravil Bayramgalin <ravwar@...>
Date: 2008-03-22T03:28:59+09:00
Subject: Re: A question involving variable evaluation

Oh, i see. Then you can use Proc:

string = 'foobar'
patterns = [[/f(.*)(b.r)/, proc {|match| match[2] + match[1].upcase }]]
p patterns.map {|regexp, block| block.call string.match(regexp) }


2008/3/21, mike leonard <mikeleonard@gmail.com>:
> On Mar 21, 12:41 pm, Ravil Bayramgalin <rav...@gmail.com> wrote:
>  > just store a needed match position for every pattern and then use it like that:
>  >
>  > string = 'foobar'
>  > patterns = [[/(oo)+(.*)/, 2], [/(.*)bar/, 1]]
>  > p patterns.map {|regexp, position| string[regexp, position] }
>
>
> Well the idea is that users will be able to create new filters just by
>  appending items to the array. For example, if you wanted to convert
>  FOObar to fooBAR, you could do:
>
>     patterns << [/(FOO)(bar)/, $~[0].downcase + $~[1].upcase]
>
>  How would this work with your suggestion?
>
>


-- 
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