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erubboli/look-behind.rb

Created October 31, 2010 20:04
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look-behind.rb
#Zero-width positive lookbehind
"Enrico.Rubboli".match(/(?<=\.)(\w+)/)
# => #<MatchData "Rubboli" 1:"Rubboli">
#Zero-width negative lookbehind
"Enrico.Rubboli".match(/(?<!\.)(\w+)/)
# => #<MatchData "Enrico" 1:"Enrico">
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