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opt
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alt
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ruby18
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share
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ri
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1.8
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system
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Kernel
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--- !ruby/object:RI::MethodDescription aliases: [] block_params: comment: - !ruby/struct:SM::Flow::P body: Equivalent to <tt>$_.sub(<em>args</em>)</tt>, except that <tt>$_</tt> will be updated if substitution occurs. full_name: Kernel#sub is_singleton: false name: sub params: | sub(pattern, replacement) => $_ sub(pattern) { block } => $_ visibility: public
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