From: Sarah Allen <sarah@...>
Date: 2009-05-11T09:18:21+09:00
Subject: Re: gsub pattern substitution and ${...}

7stud -- wrote:
> If you need to use double quoted strings, then you need to literally 
> have \1 in your string, which requires the use of additional backslashes 
> to escape the \ in "\1".  So try "\\1".  With ruby if one backslash is 
> not enough, keep adding more backslashes until whatever you are trying 
> accomplish works!

Eureka!

>> s.gsub(/href=(['"])([^']*)/, "href=\\1#{URI.escape($2)}\\3")
=> "<a href='http://foo.com/one=%3Etwo'/>"

Thanks so much for your help.

Sarah



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