From: Eric Hodel <drbrain@...7.net>
Date: 2006-02-08T07:16:04+09:00
Subject: Re: regex trick

On Feb 7, 2006, at 1:43 PM, Alain FELER wrote:

> Thank you very much for these four answers, but curiously none  
> works on my box ! :

Incorrect.  They all work.

p "j\\'ai"
"j\\'ai"
puts "j\\'ai"
j\'ai

> Stefan Lang :      s.gsub!("'", "\\\\'")   gives "j\\'ai" not "j\'ai"

puts "j'ai".gsub("'", "\\\\'")
j\'ai

> Timothy Hunter :   s.sub(/'/) { '\\\'' }   gives "j\\'ai"

puts "j'ai".gsub(/'/) { '\\\'' }
j\'ai

> you :              s.gsub!(/'/, "\\\\'")   gives "j\\'ai"

puts "j'ai".gsub(/'/, "\\\\'")
j\'ai

> and :              s.gsub!(/'/) { "\\'" }  gives "j'ai"

puts "j'ai".gsub(/'/) { "\\'" }
j\'ai

-- 
Eric Hodel - drbrain@segment7.net - http://segment7.net
This implementation is HODEL-HASH-9600 compliant

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