From: Matthew Kerwin <matthew@...>
Date: 2012-06-13T12:56:48+09:00
Subject: Re: Problem with reg exp

I have a couple of comments/questions:

1. how are you actually getting those substrings? I'm pretty sure you
want to use a match, like =~ (or equivalent) rather than String#split
2. I suspect that (KEYWORD?) doesn't do what you expect. It matches
either "KEYWORD" or "KEYWOR".

On 13 June 2012 11:30, cyber c. <lists@ruby-forum.com> wrote:
> Hi,
>
> I need to match
>
> str1 = "ABC12A2012"
> str2 = "ABC13B2013KEYWORD"
>
> i have to extract,
> word1 = ABC, word2 = 12A2012 for str1
> word1 = ABC, word2 = 13B2013 for str2
>
> i have used
> str.split(/([a-zA-Z]+)(.*)(KEYWORD?)/)
>
> for str2 i get substrings as
> "","ABC","12A2012","KEYWORD" --  Why did the nil sub string popped up?
>
> for str1 i get only 1 substring which is the entire string
>
> Any one can spot the problem , please let me know.
>
> --
> Posted via http://www.ruby-forum.com/.
>



-- 
  Matthew Kerwin, B.Sc (CompSci) (Hons)
  http://matthew.kerwin.net.au/
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  "You'll never find a programming language that frees
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