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barsbek/gsub.rb

Created March 26, 2018 08:31
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ruby: replace occurrence
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gsub.rb
"some string".gsub(pattern, replacement) # every occurrence of pattern is replaced by replacement
"other string".gsub(pattern) { |match| replacement } # every match is replaced by return value (replacement) of block
"hello".gsub(/./) { |c| "#{c.ord} " } # 104 101 108 108 111
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