From: Xeno Campanoli <xeno@...>
Date: 2006-04-27T14:58:48+09:00
Subject: Re: Stumped:  How do I iterate over regular expression matches?

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Thank you all for the answers.  I should have guessed to look at the 
String methods.

Sincerely, Xeno
xc

John Johnson wrote:

>You can use String#scan:
>
>irb
>irb(main):001:0> a="This is a test of this thing for this guy on the net."
>=> "This is a test of this thing for this guy on the net."
>irb(main):002:0> a.scan(/is/)
>=> ["is", "is", "is", "is"]
>irb(main):003:0> a.scan(/[^ ]is/)
>=> ["his", "his", "his"]
>irb(main):004:0> a.scan(/[^ ]+is/)
>=> ["This", "this", "this"]
>irb(main):005:0>
>
>or:
>
>a.scan(/[^ ]+is/) { |match| 
>  puts "#{match} is a match of the regexp." 
>}
>This is a match of the regexp.
>this is a match of the regexp.
>this is a match of the regexp.
>
>Regards,
>  JJ
>
>
>
>On Wednesday, April 26, 2006, at 02:21PM, Xeno Campanoli <xeno@eskimo.com> wrote:
>
>  
>
>>I looked for an iterator, and there may be something, but I don't recognize it.
>>I also tried:
>>while (x =~ /something/ )
>>p $1
>>
>>end
>>and it just printed out the same match over and over.  Perl does this very
>>nicely, but google and pickaxe are not helping me do it in Ruby.  Sorry if this
>>is obvious.
>>
>>xc
>>
>>
>>
>>    
>>
>
>
>---
>Help everyone. If you can't do that, then at least be nice.
>
>
>
>
>  
>

-- 
Xeno Campanoli:  http://www.eskimo.com/~xeno
"Even the President of the United States sometimes must have to stand naked."
- Bob Dylan


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