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brixen/gist:1637933

Created January 19, 2012 04:33
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gistfile1.txt
sasha:rubinius brian$ irb
ruby-1.9.3-p0 :001 > __ENCODING__
=> #<Encoding:UTF-8>
ruby-1.9.3-p0 :002 > s = "\u{61}"
=> "a"
ruby-1.9.3-p0 :003 > s.encoding
=> #<Encoding:UTF-8>
ruby-1.9.3-p0 :004 > re = Regexp.new s
=> /a/
ruby-1.9.3-p0 :005 > re.encoding
=> #<Encoding:US-ASCII>
ruby-1.9.3-p0 :006 > re.source.encoding
=> #<Encoding:US-ASCII>
ruby-1.9.3-p0 :007 >
@gusgollings
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Although

"\u{2714}".encoding
=> #Encoding:UTF-8

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