From: Brian Adkins <lojicdotcom@...>
Date: 2007-06-21T23:45:15+09:00
Subject: Re: Do You Understand Regular Expressions?

On Jun 21, 4:43 am, Wild Karl-Heinz <kh.w...@wicom.li> wrote:
> Hello Ryan
>
> In message "Do You Understand Regular Expressions?"
>    on 21.06.2007, Ryan Mcdonald <ryemcdon...@gmail.com> writes:
>
> RM> I agree. Can someone explain why gsub, sub or scan matches with * are
> RM> different than =~ matches with *
>
> RM> puts "hello".gsub(/[aeiou]/, '<\1>')  # h<>ll<>
>
> irb(main):024:0> "hello".gsub( /([aeiou])/, "<\\1>" )
>
> Please note the () around the expression.
> After that you can refer with \\1 to the found
> letters.

Why not simply change the 1 to a 0 ?

irb(main):001:0> puts "hello".gsub(/[aeiou]/, '<\0>')
h<e>ll<o>