re = /(\d{1,2}) ((д\.)|(дней)|(день))( назад)?/
str = '6 д.
23 д.
12 дней
61 день
15 дней назад
62 дней назад
5 ч
6 нед.
три минуты назад
час назад
два часа назад'
# Print the match result
str.scan(re) do |match|
puts match.to_s
end
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Ruby, please visit: http://ruby-doc.org/core-2.2.0/Regexp.html