From: Lloyd Zusman <ljz@...>
Date: 2005-11-21T08:20:24+09:00
Subject: Re: Building an array of matching strings.

Ezra Zygmuntowicz <ezra@yakima-herald.com> writes:

> On Nov 20, 2005, at 3:00 PM, Lloyd Zusman wrote:
>
>> I want to search through a block of text and build an array of all
>> strings contained within this text that match a given pattern.  I know
>> the following hack will work, but it seems like a misuse of the gsub
>> method:
>>
>>   # Assume that 'text' contains the block of text and that 'pat'
>>   # is a Regexp instance containing the pattern to match.
>>
>>   matchingStrings = []
>>   text.gsub(pat) {
>>     |m|
>>     matchingStrings << m
>>   }
>>
>> Is there a cleaner and elegant way to do this?
>>
>> Thanks in advance.
>>
>
>
> result_array = text.scan(/pat/)
>
>
> That will build an array in result_array of all the matches to /pat/

Aha!  I had forgotten about the 'scan' method!  Thanks to all of you who
responded.

-- 
 Lloyd Zusman
 ljz@asfast.com
 God bless you.