From: mitchell <none@...>
Date: 2006-06-03T23:06:06+09:00
Subject: Re: Pattern Matching Question

Jeff Pritchard wrote:
> mitchell wrote:
>> If I had the text "{ hello \\} there }", what regex could I use to get 
>> "hello } there" back? I'm really stumped on this one.
> 
> Hi Mitchell,
> I'm puzzled by the simplicity of your question.  Does it tell the whole 
> story?  If so, you could simplify the whole thing down to:
> 
> a, b = input.scan(/\w+/)   # find the two words - there are always two 
> words, right?
> output = "#{a} } #{b}"         # output the two words with a space brace 
> space in the middle
> 
> 
> Or maybe it is always just like you show it, and all you want to do is 
> remove the '\\' and the outer braces and spaces, in which case it is as 
> simple as:
> 
> output = input[2..-3].gsub!(%r{\\},'')
> 
> Just trying to suggest that with a pattern matching question one needs a 
> bit more context in order to know how simple or complicated the matching 
> needs to be.  But then, maybe if you told us you would have to shoot us. 
> :)
> 
> best,
> jp

Actually that was just a simple example. The big idea is to be able to
escape '}'s in any inputted string. I later figured that replacing any
'\}' with some value (such as '}'s hex code) would work, but playing
with regex sometimes can be enlightening :) Thanks for the input though.
Much appreciated.

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