From: Siep Korteling <s.korteling@...>
Date: 2010-12-09T10:07:57+09:00
Subject: Re: Splitting on capital letters

Sam Duncan wrote in post #967298:
> This might be ridiculous, but ...
>
> ("BenefitsAndFeatures".gsub(/[A-Z]/) { |c| "-#{c}"
> }).reverse.chomp('-').reverse
>
> Sam

Eliminating the reverse.chomp.reverse:

"BenefitsAndFeatures".gsub(/\w(?=[A-Z])/){|match| "#{match}-"}

the (?=[A-Z]) bit is a positive lookahead; the regex matches a word 
character followed by a capital, without making the capital part of the 
match.

hth,

Siep

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