From: Neil Kohl <nakohl@...>
Date: 2007-06-20T04:33:55+09:00
Subject: Re: Regular Expresion Needed

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Assume you meant to match \d{3} since \d{4} won't match anything in your
test string. Pass a regexp to String#scan:

irb(main):027:0>s = 'abc123def456ghi789jkl'
irb(main):028:0> s.scan(/(\d{3})/).each do |m|
irb(main):029:1* puts m
irb(main):030:1> end
123
456
789
=> [["123"], ["456"], ["789"]

On 6/19/07, Matt White <whiteqt@gmail.com> wrote:
>
> Hello,
>
> I am fairly new to Ruby. I have some good Perl experience and I need
> to "translate" a regex in Perl over to Ruby. Here's what I have:
>
> $_ = 'abc123def456ghi789jkl';
> while(m/(\d{4})/g)
> { print "$1\n"; }
>
> Which outputs:
> 123
> 456
> 789
>
> Ruby doesn't seem to have the same modifiers that Perl does (that
> handy little g). How can I get this same output in Ruby? Thanks!
>
>
>


-- 
Neil Kohl
nakohl@gmail.com

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