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--- !ruby/object:RI::MethodDescription aliases: [] block_params: comment: - !ruby/struct:SM::Flow::P body: Returns a copy of <em>str</em> with <em>all</em> occurrences of <em>pattern</em> replaced with either <em>replacement</em> or the value of the block. The <em>pattern</em> will typically be a <tt>Regexp</tt>; if it is a <tt>String</tt> then no regular expression metacharacters will be interpreted (that is <tt>/\d/</tt> will match a digit, but <tt>'\d'</tt> will match a backslash followed by a 'd'). - !ruby/struct:SM::Flow::P body: If a string is used as the replacement, special variables from the match (such as <tt>$&</tt> and <tt>$1</tt>) cannot be substituted into it, as substitution into the string occurs before the pattern match starts. However, the sequences <tt>\1</tt>, <tt>\2</tt>, and so on may be used to interpolate successive groups in the match. - !ruby/struct:SM::Flow::P body: In the block form, the current match string is passed in as a parameter, and variables such as <tt>$1</tt>, <tt>$2</tt>, <tt>$`</tt>, <tt>$&</tt>, and <tt>$'</tt> will be set appropriately. The value returned by the block will be substituted for the match on each call. - !ruby/struct:SM::Flow::P body: The result inherits any tainting in the original string or any supplied replacement string. - !ruby/struct:SM::Flow::VERB body: " "hello".gsub(/[aeiou]/, '*') #=> "h*ll*"\n "hello".gsub(/([aeiou])/, '<\\1>') #=> "h<e>ll<o>"\n "hello".gsub(/./) {|s| s[0].to_s + ' '} #=> "104 101 108 108 111 "\n" full_name: String#gsub is_singleton: false name: gsub params: | str.gsub(pattern, replacement) => new_str str.gsub(pattern) {|match| block } => new_str visibility: public
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