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//proc/self/root/opt/alt/ruby18/share/ri/1.8/system/Kernel/sub%21-i.yaml
--- !ruby/object:RI::MethodDescription aliases: [] block_params: comment: - !ruby/struct:SM::Flow::P body: Equivalent to <tt>$_.sub!(<em>args</em>)</tt>. full_name: Kernel#sub! is_singleton: false name: sub! params: | sub!(pattern, replacement) => $_ or nil sub!(pattern) {|...| block } => $_ or nil visibility: public
