From: Sam Dela Cruz <sam.dela.cruz@...>
Date: 2006-01-10T11:05:39+09:00
Subject: Re: regexp problem - differences in Perl and Ruby

--=_alternative 000B79BE882570F2_=
Content-Type: text/plain; charset="US-ASCII"

Thanks David.

Yes, after I replaced ^ with \A and $ with \a, it works now.
Another difference learned.  I'm discovering new stuffs in Ruby every day.

Regards,
Sam









dblack@wobblini.net 
01/09/2006 05:54 PM
Please respond to
ruby-talk@ruby-lang.org


To
ruby-talk@ruby-lang.org (ruby-talk ML)
cc

Subject
Re: regexp problem - differences in Perl and Ruby
Classification







Hi --

On Tue, 10 Jan 2006, Sam Dela Cruz wrote:

> I got different results in Perl and Ruby of this regular expression. Can
> somebody maybe give me a "Ruby Way" solution of this?  The output from
> Perl is what I want.  But I'm currently programming this is Ruby.
>
> def transform_data(data)
>    if (data=~/^[\d\.]+$/) #numbers
>        puts "Got here!"
>    else
>        puts("'" + data + "'")
>    end
> end
>
> data = "patched 3 systems:
> 134.27.56.237
> 134.27.59.6
> 134.27.55.43"
>
> transform_data(data)
> #snippet end ============
>
> Output is:
> Got here!
>
> Now why would it match in Ruby?  Am I missing something here?

^ and $ match start and end of line, not string.  For start and end of
string, you want \A and \z (or \Z to ignore final newline).


David

-- 
David A. Black
dblack@wobblini.net

"Ruby for Rails", from Manning Publications, coming April 2006!
http://www.manning.com/books/black



--=_alternative 000B79BE882570F2_=--