From: Brian Candler <B.Candler@...>
Date: 2007-03-26T15:02:45+09:00
Subject: Re: Suggestion: swap name of "puts" and "print" and rename "puts" to "put_s"

On Mon, Mar 26, 2007 at 07:49:38AM +0900, David Morton wrote:
> >For instance: in Perl, /^abc$/ matches only the string "abc". This  
> >is not
> >true in Ruby (although it *is* a valid regexp). To get the same  
> >behaviour in
> >Ruby, you need to write /\Aabc\z/
> 
> ?
> 
> I don't follow...
> 
> irb(main):006:0> a="abc"
> => "abc"
> irb(main):007:0> a =~ /^abc$/
> => 0
> irb(main):008:0> a="abcd"
> => "abcd"
> irb(main):009:0> a =~ /^abc$/
> => nil
> irb(main):010:0> a="aabc"
> => "aabc"
> irb(main):011:0> a =~ /^abc$/
> => nil
> irb(main):012:0> a = "something else with abc in it"
> => "something else with abc in it"
> irb(main):013:0> a =~ /^abc$/
> => nil

irb(main):001:0> a = "rm -rf /*\nabc\nreboot"
=> "rm -rf /*\nabc\nreboot"
irb(main):002:0> a =~ /^abc$/
=> 10