re = /(\d\d?)\/(\d\d?)\/(\d{4})/m
str = '01/02/2018
1/2/2018
01/2/2018
// if we put (\\d\\d?)\\/(\\d\\d+)\\/(\\d{4}) the month should be 10,11,12'
# 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