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December 15, 2015 18:39
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ruby.
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| >> 'hi' =~ /(?<xx>.*)/ | |
| # => 0 | |
| >> xx | |
| # NameError: undefined local variable or method `xx' for main:Object | |
| >> /(?<xx>.*)/ =~ "hi" | |
| # => 0 | |
| >> xx | |
| # => "hi" |
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